21010322104 has 32 divisors (see below), whose sum is σ = 39744684000. Its totient is φ = 10412104320.

The previous prime is 21010322087. The next prime is 21010322111. The reversal of 21010322104 is 40122301012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443734 + ... + 488794.

It is an arithmetic number, because the mean of its divisors is an integer number (1242021375).

Almost surely, 2^21010322104 is an apocalyptic number.

It is an amenable number.

21010322104 is a deficient number, since it is larger than the sum of its proper divisors (18734361896).

21010322104 is a wasteful number, since it uses less digits than its factorization.

21010322104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45583 (or 45579 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21010322104 its reverse (40122301012), we get a palindrome (61132623116).

The spelling of 21010322104 in words is "twenty-one billion, ten million, three hundred twenty-two thousand, one hundred four".