112001020021100 has 72 divisors (see below), whose sum is σ = 277763920825440. Its totient is φ = 38400157393920.

The previous prime is 112001020021043. The next prime is 112001020021123. The reversal of 112001020021100 is 1120020100211.

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, 263918282 + ... + 264342318.

Almost surely, 2^{112001020021100} is an apocalyptic number.

112001020021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001020021100 is an abundant number, since it is smaller than the sum of its proper divisors (165762900804340).

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

112001020021100 is a wasteful number, since it uses less digits than its factorization.

112001020021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801387 (or 801380 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112001020021100 its reverse (1120020100211), we get a palindrome (113121040121311).

The spelling of 112001020021100 in words is "one hundred twelve trillion, one billion, twenty million, twenty-one thousand, one hundred".