112112112120 has 64 divisors (see below), whose sum is σ = 354038256000. Its totient is φ = 28323059328.

The previous prime is 112112111983. The next prime is 112112112121. The reversal of 112112112120 is 21211211211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112112112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112112121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24583710 + ... + 24588269.

It is an arithmetic number, because the mean of its divisors is an integer number (5531847750).

Almost surely, 2^112112112120 is an apocalyptic number.

112112112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112112120 is an abundant number, since it is smaller than the sum of its proper divisors (241926143880).

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

112112112120 is a wasteful number, since it uses less digits than its factorization.

112112112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49172012 (or 49172008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112112112120 its reverse (21211211211), we get a palindrome (133323323331).

Subtracting from 112112112120 its reverse (21211211211), we obtain a palindrome (90900900909).

The spelling of 112112112120 in words is "one hundred twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty".