111112916 has 6 divisors (see below), whose sum is σ = 194447610. Its totient is φ = 55556456.

The previous prime is 111112907. The next prime is 111112921. The reversal of 111112916 is 619211111.

It can be written as a sum of positive squares in only one way, i.e., 111091600 + 21316 = 10540^2 + 146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111112891 and 111112900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889111 + ... + 13889118.

It is an arithmetic number, because the mean of its divisors is an integer number (32407935).

Almost surely, 2^111112916 is an apocalyptic number.

It is an amenable number.

111112916 is a deficient number, since it is larger than the sum of its proper divisors (83334694).

111112916 is a wasteful number, since it uses less digits than its factorization.

111112916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778233 (or 27778231 counting only the distinct ones).

The product of its digits is 108, while the sum is 23.

The square root of 111112916 is about 10541.0111469441. The cubic root of 111112916 is about 480.7524598553.

The spelling of 111112916 in words is "one hundred eleven million, one hundred twelve thousand, nine hundred sixteen".