331221222210120 has 128 divisors (see below), whose sum is σ = 1085747936256000. Its totient is φ = 80166334682880.

The previous prime is 331221222210113. The next prime is 331221222210133. The reversal of 331221222210120 is 21012222122133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201868840 + ... + 203502999.

It is an arithmetic number, because the mean of its divisors is an integer number (8482405752000).

Almost surely, 2^{331221222210120} is an apocalyptic number.

331221222210120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331221222210120 is an abundant number, since it is smaller than the sum of its proper divisors (754526714045880).

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

331221222210120 is a wasteful number, since it uses less digits than its factorization.

331221222210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405372483 (or 405372479 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 331221222210120 its reverse (21012222122133), we get a palindrome (352233444332253).

The spelling of 331221222210120 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty".