22101010002 has 16 divisors (see below), whose sum is σ = 49113355680. Its totient is φ = 7367003316.

The previous prime is 22101009991. The next prime is 22101010049. The reversal of 22101010002 is 20001010122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204638928 + ... + 204639035.

It is an arithmetic number, because the mean of its divisors is an integer number (3069584730).

Almost surely, 2^22101010002 is an apocalyptic number.

22101010002 is an abundant number, since it is smaller than the sum of its proper divisors (27012345678).

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

22101010002 is a wasteful number, since it uses less digits than its factorization.

22101010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409277974 (or 409277968 counting only the distinct ones).

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

Adding to 22101010002 its reverse (20001010122), we get a palindrome (42102020124).

The spelling of 22101010002 in words is "twenty-two billion, one hundred one million, ten thousand, two".