222120211210120 has 128 divisors (see below), whose sum is σ = 503375228928000. Its totient is φ = 88209299033856.

The previous prime is 222120211210111. The next prime is 222120211210133. The reversal of 222120211210120 is 21012112021222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15705303769 + ... + 15705317911.

It is an arithmetic number, because the mean of its divisors is an integer number (3932618976000).

Almost surely, 2^{222120211210120} is an apocalyptic number.

222120211210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120211210120 is an abundant number, since it is smaller than the sum of its proper divisors (281255017717880).

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

222120211210120 is a wasteful number, since it uses less digits than its factorization.

222120211210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18507 (or 18503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222120211210120 its reverse (21012112021222), we get a palindrome (243132323231342).

The spelling of 222120211210120 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred ten thousand, one hundred twenty".