113021911 has 2 divisors, whose sum is σ = 113021912. Its totient is φ = 113021910.

The previous prime is 113021863. The next prime is 113021927. The reversal of 113021911 is 119120311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113021911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113021941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56510955 + 56510956.

It is an arithmetic number, because the mean of its divisors is an integer number (56510956).

Almost surely, 2^113021911 is an apocalyptic number.

113021911 is a deficient number, since it is larger than the sum of its proper divisors (1).

113021911 is an equidigital number, since it uses as much as digits as its factorization.

113021911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 113021911 is about 10631.1763695275. The cubic root of 113021911 is about 483.4900586741.

The spelling of 113021911 in words is "one hundred thirteen million, twenty-one thousand, nine hundred eleven".