2121022002200 has 48 divisors (see below), whose sum is σ = 4940805416280. Its totient is φ = 846786562560.

The previous prime is 2121022002173. The next prime is 2121022002269. The reversal of 2121022002200 is 22002201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10034129 + ... + 10243328.

Almost surely, 2^{2121022002200} is an apocalyptic number.

2121022002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121022002200 is an abundant number, since it is smaller than the sum of its proper divisors (2819783414080).

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

2121022002200 is a wasteful number, since it uses less digits than its factorization.

2121022002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277996 (or 20277987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2121022002200 its reverse (22002201212), we get a palindrome (2143024203412).

The spelling of 2121022002200 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two thousand, two hundred".