21310022204 has 12 divisors (see below), whose sum is σ = 39255304200. Its totient is φ = 10094221008.

The previous prime is 21310022183. The next prime is 21310022213. The reversal of 21310022204 is 40222001312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140197439 + ... + 140197590.

It is an arithmetic number, because the mean of its divisors is an integer number (3271275350).

Almost surely, 2^21310022204 is an apocalyptic number.

It is an amenable number.

21310022204 is a deficient number, since it is larger than the sum of its proper divisors (17945281996).

21310022204 is a wasteful number, since it uses less digits than its factorization.

21310022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280395052 (or 280395050 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21310022204 its reverse (40222001312), we get a palindrome (61532023516).

The spelling of 21310022204 in words is "twenty-one billion, three hundred ten million, twenty-two thousand, two hundred four".