22100220120200 has 24 divisors (see below), whose sum is σ = 51383011779930. Its totient is φ = 8840088048000.

The previous prime is 22100220120169. The next prime is 22100220120239. The reversal of 22100220120200 is 202102200122.

It can be written as a sum of positive squares in 3 ways, for example, as 19656081856324 + 2444138263876 = 4433518^2 + 1563374^2 .

It is a super-2 number, since 2×22100220120200² (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 5 ways as a sum of consecutive naturals, for example, 55250550101 + ... + 55250550500.

Almost surely, 2^{22100220120200} is an apocalyptic number.

22100220120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100220120200 is an abundant number, since it is smaller than the sum of its proper divisors (29282791659730).

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

22100220120200 is a wasteful number, since it uses less digits than its factorization.

22100220120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110501100617 (or 110501100608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22100220120200 its reverse (202102200122), we get a palindrome (22302322320322).

The spelling of 22100220120200 in words is "twenty-two trillion, one hundred billion, two hundred twenty million, one hundred twenty thousand, two hundred".