22129100200 has 24 divisors (see below), whose sum is σ = 51450158430. Its totient is φ = 8851640000.

The previous prime is 22129100173. The next prime is 22129100219. The reversal of 22129100200 is 200192122.

It can be written as a sum of positive squares in 3 ways, for example, as 16534359396 + 5594740804 = 128586^2 + 74798^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55322551 + ... + 55322950.

Almost surely, 2^22129100200 is an apocalyptic number.

22129100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22129100200 is an abundant number, since it is smaller than the sum of its proper divisors (29321058230).

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

22129100200 is a wasteful number, since it uses less digits than its factorization.

22129100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110645517 (or 110645508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22129100200 its reverse (200192122), we get a palindrome (22329292322).

The spelling of 22129100200 in words is "twenty-two billion, one hundred twenty-nine million, one hundred thousand, two hundred".