100331201322120 has 96 divisors (see below), whose sum is σ = 314649268617600. Its totient is φ = 25591726697856.

The previous prime is 100331201322101. The next prime is 100331201322179. The reversal of 100331201322120 is 21223102133001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790194880 + ... + 790321839.

It is an arithmetic number, because the mean of its divisors is an integer number (3277596548100).

Almost surely, 2^{100331201322120} is an apocalyptic number.

100331201322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100331201322120 is an abundant number, since it is smaller than the sum of its proper divisors (214318067295480).

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

100331201322120 is a wasteful number, since it uses less digits than its factorization.

100331201322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580516779 (or 1580516752 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100331201322120 its reverse (21223102133001), we get a palindrome (121554303455121).

The spelling of 100331201322120 in words is "one hundred trillion, three hundred thirty-one billion, two hundred one million, three hundred twenty-two thousand, one hundred twenty".