22200121120100 has 72 divisors (see below), whose sum is σ = 60061418614848. Its totient is φ = 6919518268800.

The previous prime is 22200121120003. The next prime is 22200121120109. The reversal of 22200121120100 is 102112100222.

It is a super-2 number, since 2×22200121120100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22200121120109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441558607 + ... + 1441574006.

Almost surely, 2^{22200121120100} is an apocalyptic number.

22200121120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200121120100 is an abundant number, since it is smaller than the sum of its proper divisors (37861297494748).

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

22200121120100 is a wasteful number, since it uses less digits than its factorization.

22200121120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883132645 (or 2883132638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22200121120100 its reverse (102112100222), we get a palindrome (22302233220322).

The spelling of 22200121120100 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred".