222120010120 has 32 divisors (see below), whose sum is σ = 500349208320. Its totient is φ = 88745037760.

The previous prime is 222120010109. The next prime is 222120010171. The reversal of 222120010120 is 21010021222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120010120.

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, 3182746 + ... + 3251785.

It is an arithmetic number, because the mean of its divisors is an integer number (15635912760).

Almost surely, 2^222120010120 is an apocalyptic number.

222120010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120010120 is an abundant number, since it is smaller than the sum of its proper divisors (278229198200).

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

222120010120 is a wasteful number, since it uses less digits than its factorization.

222120010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435405 (or 6435401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222120010120 its reverse (21010021222), we get a palindrome (243130031342).

The spelling of 222120010120 in words is "two hundred twenty-two billion, one hundred twenty million, ten thousand, one hundred twenty".