121021012002200 has 24 divisors (see below), whose sum is σ = 281373852905580. Its totient is φ = 48408404800800.

The previous prime is 121021012002197. The next prime is 121021012002211. The reversal of 121021012002200 is 2200210120121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302552529806 + ... + 302552530205.

Almost surely, 2^{121021012002200} is an apocalyptic number.

121021012002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121021012002200 is an abundant number, since it is smaller than the sum of its proper divisors (160352840903380).

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

121021012002200 is a wasteful number, since it uses less digits than its factorization.

121021012002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605105060027 (or 605105060018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121021012002200 its reverse (2200210120121), we get a palindrome (123221222122321).

The spelling of 121021012002200 in words is "one hundred twenty-one trillion, twenty-one billion, twelve million, two thousand, two hundred".