204221100130402 has 16 divisors (see below), whose sum is σ = 310028714442720. Its totient is φ = 100878245486752.

The previous prime is 204221100130339. The next prime is 204221100130429. The reversal of 204221100130402 is 204031001122402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360963 + ... + 20675110.

It is an arithmetic number, because the mean of its divisors is an integer number (19376794652670).

Almost surely, 2^{204221100130402} is an apocalyptic number.

204221100130402 is a deficient number, since it is larger than the sum of its proper divisors (105807614312318).

204221100130402 is a wasteful number, since it uses less digits than its factorization.

204221100130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25085297.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204221100130402 its reverse (204031001122402), we get a palindrome (408252101252804).

The spelling of 204221100130402 in words is "two hundred four trillion, two hundred twenty-one billion, one hundred million, one hundred thirty thousand, four hundred two".