22021012002210 has 64 divisors (see below), whose sum is σ = 56918097290880. Its totient is φ = 5420342430720.

The previous prime is 22021012002203. The next prime is 22021012002257. The reversal of 22021012002210 is 1220021012022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22021012002210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8872090 + ... + 11079530.

It is an arithmetic number, because the mean of its divisors is an integer number (889345270170).

Almost surely, 2^{22021012002210} is an apocalyptic number.

22021012002210 is an abundant number, since it is smaller than the sum of its proper divisors (34897085288670).

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

22021012002210 is a wasteful number, since it uses less digits than its factorization.

22021012002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233043.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021012002210 its reverse (1220021012022), we get a palindrome (23241033014232).

The spelling of 22021012002210 in words is "twenty-two trillion, twenty-one billion, twelve million, two thousand, two hundred ten".