22200121120 has 48 divisors (see below), whose sum is σ = 52465371840. Its totient is φ = 8877071104.

The previous prime is 22200121087. The next prime is 22200121159. The reversal of 22200121120 is 2112100222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200121120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490821 + ... + 534139.

It is an arithmetic number, because the mean of its divisors is an integer number (1093028580).

Almost surely, 2^22200121120 is an apocalyptic number.

22200121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200121120 is an abundant number, since it is smaller than the sum of its proper divisors (30265250720).

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

22200121120 is a wasteful number, since it uses less digits than its factorization.

22200121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46537 (or 46529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200121120 its reverse (2112100222), we get a palindrome (24312221342).

The spelling of 22200121120 in words is "twenty-two billion, two hundred million, one hundred twenty-one thousand, one hundred twenty".