111042311 has 2 divisors, whose sum is σ = 111042312. Its totient is φ = 111042310.

The previous prime is 111042301. The next prime is 111042313. The reversal of 111042311 is 113240111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111042311 - 2²⁶ = 43933447 is a prime.

Together with 111042313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111042313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521155 + 55521156.

It is an arithmetic number, because the mean of its divisors is an integer number (55521156).

Almost surely, 2^111042311 is an apocalyptic number.

111042311 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042311 is an equidigital number, since it uses as much as digits as its factorization.

111042311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111042311 is about 10537.6615527355. The cubic root of 111042311 is about 480.6506093509.

Adding to 111042311 its reverse (113240111), we get a palindrome (224282422).

The spelling of 111042311 in words is "one hundred eleven million, forty-two thousand, three hundred eleven".