112112221012120 has 64 divisors (see below), whose sum is σ = 288304334107200. Its totient is φ = 38436373670400.

The previous prime is 112112221012109. The next prime is 112112221012133. The reversal of 112112221012120 is 21210122211211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5815035 + ... + 16063594.

It is an arithmetic number, because the mean of its divisors is an integer number (4504755220425).

Almost surely, 2^{112112221012120} is an apocalyptic number.

112112221012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112221012120 is an abundant number, since it is smaller than the sum of its proper divisors (176192113095080).

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

112112221012120 is a wasteful number, since it uses less digits than its factorization.

112112221012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21896948 (or 21896944 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112112221012120 its reverse (21210122211211), we get a palindrome (133322343223331).

The spelling of 112112221012120 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred twenty".