112112021020 has 24 divisors (see below), whose sum is σ = 235487973168. Its totient is φ = 44834764800.

The previous prime is 112112021009. The next prime is 112112021041. The reversal of 112112021020 is 20120211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535866 + ... + 715105.

It is an arithmetic number, because the mean of its divisors is an integer number (9811998882).

Almost surely, 2^112112021020 is an apocalyptic number.

112112021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112021020 is an abundant number, since it is smaller than the sum of its proper divisors (123375952148).

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

112112021020 is a wasteful number, since it uses less digits than its factorization.

112112021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255461 (or 1255459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112112021020 its reverse (20120211211), we get a palindrome (132232232231).

The spelling of 112112021020 in words is "one hundred twelve billion, one hundred twelve million, twenty-one thousand, twenty".