22102100200 has 48 divisors (see below), whose sum is σ = 51534787500. Its totient is φ = 8815480320.

The previous prime is 22102100161. The next prime is 22102100213. The reversal of 22102100200 is 200120122.

It can be written as a sum of positive squares in 6 ways, for example, as 15955226596 + 6146873604 = 126314^2 + 78402^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88525 + ... + 228124.

Almost surely, 2^22102100200 is an apocalyptic number.

22102100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102100200 is an abundant number, since it is smaller than the sum of its proper divisors (29432687300).

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

22102100200 is a wasteful number, since it uses less digits than its factorization.

22102100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317014 (or 317005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22102100200 its reverse (200120122), we get a palindrome (22302220322).

The spelling of 22102100200 in words is "twenty-two billion, one hundred two million, one hundred thousand, two hundred".