222100212220120 has 64 divisors (see below), whose sum is σ = 538168238788320. Its totient is φ = 82005875641344.

The previous prime is 222100212220063. The next prime is 222100212220279. The reversal of 222100212220120 is 21022212001222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139053159 + ... + 140641321.

Almost surely, 2^{222100212220120} is an apocalyptic number.

222100212220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100212220120 is an abundant number, since it is smaller than the sum of its proper divisors (316068026568200).

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

222100212220120 is a wasteful number, since it uses less digits than its factorization.

222100212220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857124 (or 1857120 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222100212220120 its reverse (21022212001222), we get a palindrome (243122424221342).

The spelling of 222100212220120 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty".