220112221100 has 72 divisors (see below), whose sum is σ = 479677840320. Its totient is φ = 87670370880.

The previous prime is 220112221097. The next prime is 220112221129. The reversal of 220112221100 is 1122211022.

220112221100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 69588119 + ... + 69591281.

Almost surely, 2^220112221100 is an apocalyptic number.

220112221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112221100 is an abundant number, since it is smaller than the sum of its proper divisors (259565619220).

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

220112221100 is a wasteful number, since it uses less digits than its factorization.

220112221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5912 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220112221100 its reverse (1122211022), we get a palindrome (221234432122).

It can be divided in two parts, 2201122 and 21100, that added together give a palindrome (2222222).

The spelling of 220112221100 in words is "two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred".