22101002101100 has 72 divisors (see below), whose sum is σ = 54366675674640. Its totient is φ = 7730876839680.

The previous prime is 22101002101063. The next prime is 22101002101121. The reversal of 22101002101100 is 110120010122.

It is a super-2 number, since 2×22101002101100² (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 23 ways as a sum of consecutive naturals, for example, 447364007 + ... + 447413406.

Almost surely, 2^{22101002101100} is an apocalyptic number.

22101002101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101002101100 is an abundant number, since it is smaller than the sum of its proper divisors (32265673573540).

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

22101002101100 is a wasteful number, since it uses less digits than its factorization.

22101002101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894777459 (or 894777452 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101002101100 its reverse (110120010122), we get a palindrome (22211122111222).

The spelling of 22101002101100 in words is "twenty-two trillion, one hundred one billion, two million, one hundred one thousand, one hundred".