100112221200 has 60 divisors (see below), whose sum is σ = 320692819088. Its totient is φ = 26696592000.

The previous prime is 100112221177. The next prime is 100112221229. The reversal of 100112221200 is 2122211001.

100112221200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41712226 + ... + 41714625.

Almost surely, 2^100112221200 is an apocalyptic number.

100112221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112221200 is an abundant number, since it is smaller than the sum of its proper divisors (220580597888).

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

100112221200 is a wasteful number, since it uses less digits than its factorization.

100112221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83426872 (or 83426861 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100112221200 its reverse (2122211001), we get a palindrome (102234432201).

The spelling of 100112221200 in words is "one hundred billion, one hundred twelve million, two hundred twenty-one thousand, two hundred".