21130332002200 has 24 divisors (see below), whose sum is σ = 49128021905580. Its totient is φ = 8452132800800.

The previous prime is 21130332002191. The next prime is 21130332002249. The reversal of 21130332002200 is 220023303112.

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, 52825829806 + ... + 52825830205.

Almost surely, 2^{21130332002200} is an apocalyptic number.

21130332002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130332002200 is an abundant number, since it is smaller than the sum of its proper divisors (27997689903380).

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

21130332002200 is a wasteful number, since it uses less digits than its factorization.

21130332002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105651660027 (or 105651660018 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21130332002200 its reverse (220023303112), we get a palindrome (21350355305312).

The spelling of 21130332002200 in words is "twenty-one trillion, one hundred thirty billion, three hundred thirty-two million, two thousand, two hundred".