21100022303332 has 36 divisors (see below), whose sum is σ = 43108684151484. Its totient is φ = 9010220950080.

The previous prime is 21100022303317. The next prime is 21100022303341. The reversal of 21100022303332 is 23330322000112.

It can be written as a sum of positive squares in 2 ways, for example, as 1466385371136 + 19633636932196 = 1210944^2 + 4430986^2 .

It is a super-2 number, since 2×21100022303332² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194265519 + ... + 194374102.

Almost surely, 2^{21100022303332} is an apocalyptic number.

It is an amenable number.

21100022303332 is an abundant number, since it is smaller than the sum of its proper divisors (22008661848152).

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

21100022303332 is a wasteful number, since it uses less digits than its factorization.

21100022303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388639916 (or 388639907 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21100022303332 its reverse (23330322000112), we get a palindrome (44430344303444).

The spelling of 21100022303332 in words is "twenty-one trillion, one hundred billion, twenty-two million, three hundred three thousand, three hundred thirty-two".