22100010100210 has 48 divisors (see below), whose sum is σ = 48996757104984. Its totient is φ = 7131431827968.

The previous prime is 22100010100177. The next prime is 22100010100219. The reversal of 22100010100210 is 1200101000122.

It can be written as a sum of positive squares in 4 ways, for example, as 15127891312681 + 6972118787529 = 3889459^2 + 2640477^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22100010100219) 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, 1326522889 + ... + 1326539548.

Almost surely, 2^{22100010100210} is an apocalyptic number.

22100010100210 is an abundant number, since it is smaller than the sum of its proper divisors (26896747004774).

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

22100010100210 is a wasteful number, since it uses less digits than its factorization.

22100010100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653062475 (or 2653062468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22100010100210 its reverse (1200101000122), we get a palindrome (23300111100332).

The spelling of 22100010100210 in words is "twenty-two trillion, one hundred billion, ten million, one hundred thousand, two hundred ten".