22011022100100 has 72 divisors (see below), whose sum is σ = 69474789766368. Its totient is φ = 5336005356800.

The previous prime is 22011022100099. The next prime is 22011022100153. The reversal of 22011022100100 is 100122011022.

It is a super-2 number, since 2×22011022100100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3335000049 + ... + 3335006648.

It is an arithmetic number, because the mean of its divisors is an integer number (964927635644).

Almost surely, 2^{22011022100100} is an apocalyptic number.

22011022100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011022100100 is an abundant number, since it is smaller than the sum of its proper divisors (47463767666268).

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

22011022100100 is a wasteful number, since it uses less digits than its factorization.

22011022100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670006725 (or 6670006718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011022100100 its reverse (100122011022), we get a palindrome (22111144111122).

It can be divided in two parts, 22011022 and 100100, that added together give a palindrome (22111122).

The spelling of 22011022100100 in words is "twenty-two trillion, eleven billion, twenty-two million, one hundred thousand, one hundred".