21022010000010 has 48 divisors (see below), whose sum is σ = 57872356945416. Its totient is φ = 5276112313344.

The previous prime is 21022009999999. The next prime is 21022010000011. The reversal of 21022010000010 is 1000001022012.

It can be written as a sum of positive squares in 4 ways, for example, as 20848328604009 + 173681396001 = 4565997^2 + 416751^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 21022009999947 and 21022010000001.

It is not an unprimeable number, because it can be changed into a prime (21022010000011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6869936379 + ... + 6869939438.

Almost surely, 2^{21022010000010} is an apocalyptic number.

21022010000010 is an abundant number, since it is smaller than the sum of its proper divisors (36850346945406).

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

21022010000010 is a wasteful number, since it uses less digits than its factorization.

21022010000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739875847 (or 13739875844 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 21022010000010 its reverse (1000001022012), we get a palindrome (22022011022022).

The spelling of 21022010000010 in words is "twenty-one trillion, twenty-two billion, ten million, ten", and thus it is an aban number and an uban number.