111112112110122 has 64 divisors (see below), whose sum is σ = 251719104798720. Its totient is φ = 36317678529600.

The previous prime is 111112112110117. The next prime is 111112112110171. The reversal of 111112112110122 is 221011211211111.

111112112110122 is a `hidden beast` number, since 11 + 111 + 211 + 211 + 0 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111112112110095 and 111112112110104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6166954 + ... + 16132437.

It is an arithmetic number, because the mean of its divisors is an integer number (3933111012480).

Almost surely, 2^{111112112110122} is an apocalyptic number.

111112112110122 is an abundant number, since it is smaller than the sum of its proper divisors (140606992688598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111112112110122 is a wasteful number, since it uses less digits than its factorization.

111112112110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22301196 (or 22301190 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 111112112110122 its reverse (221011211211111), we get a palindrome (332123323321233).

The spelling of 111112112110122 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".