21100223011132 has 48 divisors (see below), whose sum is σ = 39428162484480. Its totient is φ = 9856413439488.

The previous prime is 21100223011081. The next prime is 21100223011139. The reversal of 21100223011132 is 23111032200112.

It is a super-2 number, since 2×21100223011132² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100223011139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164738988 + ... + 164867020.

It is an arithmetic number, because the mean of its divisors is an integer number (821420051760).

Almost surely, 2^{21100223011132} is an apocalyptic number.

It is an amenable number.

21100223011132 is a deficient number, since it is larger than the sum of its proper divisors (18327939473348).

21100223011132 is a wasteful number, since it uses less digits than its factorization.

21100223011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169762 (or 169760 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21100223011132 its reverse (23111032200112), we get a palindrome (44211255211244).

The spelling of 21100223011132 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, eleven thousand, one hundred thirty-two".