22112202100 has 36 divisors (see below), whose sum is σ = 47991067264. Its totient is φ = 8843482080.

The previous prime is 22112202097. The next prime is 22112202103. The reversal of 22112202100 is 120221122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22112202097) and next prime (22112202103).

It is a super-2 number, since 2×22112202100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112202103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815359 + ... + 842041.

Almost surely, 2^22112202100 is an apocalyptic number.

22112202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112202100 is an abundant number, since it is smaller than the sum of its proper divisors (25878865164).

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

22112202100 is a wasteful number, since it uses less digits than its factorization.

22112202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34984 (or 34977 counting only the distinct ones).

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

Adding to 22112202100 its reverse (120221122), we get a palindrome (22232423222).

The spelling of 22112202100 in words is "twenty-two billion, one hundred twelve million, two hundred two thousand, one hundred".