112112212100 has 72 divisors (see below), whose sum is σ = 278168321088. Its totient is φ = 38420496000.

The previous prime is 112112212073. The next prime is 112112212123. The reversal of 112112212100 is 1212211211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1505750 + ... + 1578450.

It is an arithmetic number, because the mean of its divisors is an integer number (3863448904).

Almost surely, 2^112112212100 is an apocalyptic number.

112112212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112212100 is an abundant number, since it is smaller than the sum of its proper divisors (166056108988).

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

112112212100 is a wasteful number, since it uses less digits than its factorization.

112112212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74925 (or 74918 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112112212100 its reverse (1212211211), we get a palindrome (113324423311).

The spelling of 112112212100 in words is "one hundred twelve billion, one hundred twelve million, two hundred twelve thousand, one hundred".