99941111 has 2 divisors, whose sum is σ = 99941112. Its totient is φ = 99941110.

The previous prime is 99941099. The next prime is 99941131. The reversal of 99941111 is 11114999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99941111 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99941131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49970555 + 49970556.

It is an arithmetic number, because the mean of its divisors is an integer number (49970556).

Almost surely, 2^99941111 is an apocalyptic number.

99941111 is a deficient number, since it is larger than the sum of its proper divisors (1).

99941111 is an equidigital number, since it uses as much as digits as its factorization.

99941111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 35.

The square root of 99941111 is about 9997.0551163830. The cubic root of 99941111 is about 464.0677526287.

The spelling of 99941111 in words is "ninety-nine million, nine hundred forty-one thousand, one hundred eleven".