22101002200 has 24 divisors (see below), whose sum is σ = 51384830580. Its totient is φ = 8840400800.

The previous prime is 22101002177. The next prime is 22101002207. The reversal of 22101002200 is 220010122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101002207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55252306 + ... + 55252705.

Almost surely, 2^22101002200 is an apocalyptic number.

22101002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101002200 is an abundant number, since it is smaller than the sum of its proper divisors (29283828380).

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

22101002200 is a wasteful number, since it uses less digits than its factorization.

22101002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110505027 (or 110505018 counting only the distinct ones).

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

Adding to 22101002200 its reverse (220010122), we get a palindrome (22321012322).

The spelling of 22101002200 in words is "twenty-two billion, one hundred one million, two thousand, two hundred".