2321100012120 has 64 divisors (see below), whose sum is σ = 7151497348320. Its totient is φ = 602231353344.

The previous prime is 2321100012071. The next prime is 2321100012191. The reversal of 2321100012120 is 212100011232.

2321100012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2321100012120.

It is a congruent number.

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, 261380697 + ... + 261389576.

Almost surely, 2^{2321100012120} is an apocalyptic number.

2321100012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321100012120 is an abundant number, since it is smaller than the sum of its proper divisors (4830397336200).

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

2321100012120 is a wasteful number, since it uses less digits than its factorization.

2321100012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522770324 (or 522770320 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2321100012120 its reverse (212100011232), we get a palindrome (2533200023352).

The spelling of 2321100012120 in words is "two trillion, three hundred twenty-one billion, one hundred million, twelve thousand, one hundred twenty".