21002203132300 has 72 divisors (see below), whose sum is σ = 49128701655600. Its totient is φ = 7747049061120.

The previous prime is 21002203132247. The next prime is 21002203132327. The reversal of 21002203132300 is 323130220012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6602455 + ... + 9251854.

It is an arithmetic number, because the mean of its divisors is an integer number (682343078550).

Almost surely, 2^{21002203132300} is an apocalyptic number.

21002203132300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21002203132300 is an abundant number, since it is smaller than the sum of its proper divisors (28126498523300).

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

21002203132300 is a wasteful number, since it uses less digits than its factorization.

21002203132300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855355 (or 15855348 counting only the distinct ones).

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

Adding to 21002203132300 its reverse (323130220012), we get a palindrome (21325333352312).

The spelling of 21002203132300 in words is "twenty-one trillion, two billion, two hundred three million, one hundred thirty-two thousand, three hundred".