220112222120 has 32 divisors (see below), whose sum is σ = 566002857600. Its totient is φ = 75467047488.

The previous prime is 220112222069. The next prime is 220112222137. The reversal of 220112222120 is 21222211022.

It is a happy 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, 393057260 + ... + 393057819.

It is an arithmetic number, because the mean of its divisors is an integer number (17687589300).

Almost surely, 2^220112222120 is an apocalyptic number.

220112222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112222120 is an abundant number, since it is smaller than the sum of its proper divisors (345890635480).

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

220112222120 is a wasteful number, since it uses less digits than its factorization.

220112222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786115097 (or 786115093 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220112222120 its reverse (21222211022), we get a palindrome (241334433142).

The spelling of 220112222120 in words is "two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty".