21000303102200 has 48 divisors (see below), whose sum is σ = 49001970923880. Its totient is φ = 8369795871360.

The previous prime is 21000303102161. The next prime is 21000303102223. The reversal of 21000303102200 is 220130300012.

It is a happy number.

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, 189478022 + ... + 189588821.

Almost surely, 2^{21000303102200} is an apocalyptic number.

21000303102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21000303102200 is an abundant number, since it is smaller than the sum of its proper divisors (28001667821680).

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

21000303102200 is a wasteful number, since it uses less digits than its factorization.

21000303102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379067136 (or 379067127 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21000303102200 its reverse (220130300012), we get a palindrome (21220433402212).

The spelling of 21000303102200 in words is "twenty-one trillion, three hundred three million, one hundred two thousand, two hundred".