112120211022100 has 72 divisors (see below), whose sum is σ = 243730137842240. Its totient is φ = 44769020474880.

The previous prime is 112120211022023. The next prime is 112120211022167. The reversal of 112120211022100 is 1220112021211.

It is a congruent number.

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, 135876364 + ... + 136699036.

Almost surely, 2^{112120211022100} is an apocalyptic number.

112120211022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120211022100 is an abundant number, since it is smaller than the sum of its proper divisors (131609926820140).

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

112120211022100 is a wasteful number, since it uses less digits than its factorization.

112120211022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825089 (or 825082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112120211022100 its reverse (1220112021211), we get a palindrome (113340323043311).

The spelling of 112120211022100 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, twenty-two thousand, one hundred".