100321310120 has 64 divisors (see below), whose sum is σ = 236756148480. Its totient is φ = 38213220096.

The previous prime is 100321310039. The next prime is 100321310137. The reversal of 100321310120 is 21013123001.

It is a junction number, because it is equal to n+sod(n) for n = 100321310095 and 100321310104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651554 + ... + 790673.

It is an arithmetic number, because the mean of its divisors is an integer number (3699314820).

Almost surely, 2^100321310120 is an apocalyptic number.

100321310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100321310120 is an abundant number, since it is smaller than the sum of its proper divisors (136434838360).

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

100321310120 is a wasteful number, since it uses less digits than its factorization.

100321310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442322 (or 1442318 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100321310120 its reverse (21013123001), we get a palindrome (121334433121).

The spelling of 100321310120 in words is "one hundred billion, three hundred twenty-one million, three hundred ten thousand, one hundred twenty".