120002200021100 has 36 divisors (see below), whose sum is σ = 266460699033144. Its totient is φ = 46884580471680.

The previous prime is 120002200021069. The next prime is 120002200021133. The reversal of 120002200021100 is 1120002200021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13953739889 + ... + 13953748488.

It is an arithmetic number, because the mean of its divisors is an integer number (7401686084254).

Almost surely, 2^{120002200021100} is an apocalyptic number.

120002200021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002200021100 is an abundant number, since it is smaller than the sum of its proper divisors (146458499012044).

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

120002200021100 is a wasteful number, since it uses less digits than its factorization.

120002200021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27907488434 (or 27907488427 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120002200021100 its reverse (1120002200021), we get a palindrome (121122202221121).

The spelling of 120002200021100 in words is "one hundred twenty trillion, two billion, two hundred million, twenty-one thousand, one hundred".