100331200120 has 64 divisors (see below), whose sum is σ = 240489648000. Its totient is φ = 37562145408.

The previous prime is 100331200103. The next prime is 100331200121. The reversal of 100331200120 is 21002133001.

100331200120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 100331200120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732190 + ... + 858349.

It is an arithmetic number, because the mean of its divisors is an integer number (3757650750).

Almost surely, 2^100331200120 is an apocalyptic number.

100331200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100331200120 is an abundant number, since it is smaller than the sum of its proper divisors (140158447880).

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

100331200120 is a wasteful number, since it uses less digits than its factorization.

100331200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590652 (or 1590648 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100331200120 its reverse (21002133001), we get a palindrome (121333333121).

The spelling of 100331200120 in words is "one hundred billion, three hundred thirty-one million, two hundred thousand, one hundred twenty".