21102300300204 has 36 divisors (see below), whose sum is σ = 53342100489496. Its totient is φ = 7034077058688.

The previous prime is 21102300300167. The next prime is 21102300300233. The reversal of 21102300300204 is 40200300320112.

21102300300204 is a `hidden beast` number, since 2 + 110 + 230 + 0 + 300 + 20 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12939252 + ... + 14478564.

Almost surely, 2^{21102300300204} is an apocalyptic number.

It is an amenable number.

21102300300204 is an abundant number, since it is smaller than the sum of its proper divisors (32239800189292).

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

21102300300204 is a wasteful number, since it uses less digits than its factorization.

21102300300204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920126 (or 1920121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21102300300204 its reverse (40200300320112), we get a palindrome (61302600620316).

The spelling of 21102300300204 in words is "twenty-one trillion, one hundred two billion, three hundred million, three hundred thousand, two hundred four".