22100110002100 has 144 divisors (see below), whose sum is σ = 51736761635328. Its totient is φ = 8145754652160.

The previous prime is 22100110002049. The next prime is 22100110002127. The reversal of 22100110002100 is 120001100122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1871774397 + ... + 1871786203.

It is an arithmetic number, because the mean of its divisors is an integer number (359283066912).

Almost surely, 2^{22100110002100} is an apocalyptic number.

22100110002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100110002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25868380817664).

22100110002100 is an abundant number, since it is smaller than the sum of its proper divisors (29636651633228).

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

22100110002100 is a wasteful number, since it uses less digits than its factorization.

22100110002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234 (or 14227 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22100110002100 its reverse (120001100122), we get a palindrome (22220111102222).

The spelling of 22100110002100 in words is "twenty-two trillion, one hundred billion, one hundred ten million, two thousand, one hundred".