22012010000 has 50 divisors (see below), whose sum is σ = 53293301622. Its totient is φ = 8804800000.

The previous prime is 22012009991. The next prime is 22012010011. The reversal of 22012010000 is 1021022.

It can be written as a sum of positive squares in 5 ways, for example, as 11186023696 + 10825986304 = 105764^2 + 104048^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22012010000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1090601 + ... + 1110600.

Almost surely, 2^22012010000 is an apocalyptic number.

22012010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012010000 is an abundant number, since it is smaller than the sum of its proper divisors (31281291622).

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

22012010000 is an equidigital number, since it uses as much as digits as its factorization.

22012010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201229 (or 2201208 counting only the distinct ones).

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

Adding to 22012010000 its reverse (1021022), we get a palindrome (22013031022).

The spelling of 22012010000 in words is "twenty-two billion, twelve million, ten thousand".