22100021100002 has 16 divisors (see below), whose sum is σ = 33176159914200. Its totient is φ = 11041301652480.

The previous prime is 22100021099993. The next prime is 22100021100067. The reversal of 22100021100002 is 20000112000122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21120908871001 + 979112229001 = 4595749^2 + 989501^2 .

It is a super-2 number, since 2×22100021100002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98934374 + ... + 99157502.

Almost surely, 2^{22100021100002} is an apocalyptic number.

22100021100002 is a deficient number, since it is larger than the sum of its proper divisors (11076138814198).

22100021100002 is a wasteful number, since it uses less digits than its factorization.

22100021100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261941.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100021100002 its reverse (20000112000122), we get a palindrome (42100133100124).

The spelling of 22100021100002 in words is "twenty-two trillion, one hundred billion, twenty-one million, one hundred thousand, two".