21022000010 has 16 divisors (see below), whose sum is σ = 41279563872. Its totient is φ = 7644363600.

The previous prime is 21021999989. The next prime is 21022000033. The reversal of 21022000010 is 1000022012.

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, 95554436 + ... + 95554655.

It is an arithmetic number, because the mean of its divisors is an integer number (2579972742).

Almost surely, 2^21022000010 is an apocalyptic number.

21022000010 is a deficient number, since it is larger than the sum of its proper divisors (20257563862).

21022000010 is a wasteful number, since it uses less digits than its factorization.

21022000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191109109.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 21022000010 its reverse (1000022012), we get a palindrome (22022022022).

The spelling of 21022000010 in words is "twenty-one billion, twenty-two million, ten", and thus it is an aban number and an uban number.