112112100120 has 64 divisors (see below), whose sum is σ = 345426484320. Its totient is φ = 29088543744.

The previous prime is 112112100101. The next prime is 112112100143. The reversal of 112112100120 is 21001211211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112112100096 and 112112100105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12620797 + ... + 12629676.

Almost surely, 2^112112100120 is an apocalyptic number.

112112100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112100120 is an abundant number, since it is smaller than the sum of its proper divisors (233314384200).

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

112112100120 is a wasteful number, since it uses less digits than its factorization.

112112100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250524 (or 25250520 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112112100120 its reverse (21001211211), we get a palindrome (133113311331).

The spelling of 112112100120 in words is "one hundred twelve billion, one hundred twelve million, one hundred thousand, one hundred twenty".