120002211121100 has 144 divisors (see below), whose sum is σ = 325807743803136. Its totient is φ = 37271118816000.

The previous prime is 120002211121087. The next prime is 120002211121193. The reversal of 120002211121100 is 1121112200021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25355711 + ... + 29713910.

Almost surely, 2^{120002211121100} is an apocalyptic number.

120002211121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002211121100 is an abundant number, since it is smaller than the sum of its proper divisors (205805532682036).

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

120002211121100 is a wasteful number, since it uses less digits than its factorization.

120002211121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55069936 (or 55069929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120002211121100 its reverse (1121112200021), we get a palindrome (121123323321121).

The spelling of 120002211121100 in words is "one hundred twenty trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred".