22122000100 has 36 divisors (see below), whose sum is σ = 48470828224. Its totient is φ = 8762885280.

The previous prime is 22122000097. The next prime is 22122000101. The reversal of 22122000100 is 100022122.

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

It is not an unprimeable number, because it can be changed into a prime (22122000101) 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, 1063584 + ... + 1084183.

Almost surely, 2^22122000100 is an apocalyptic number.

22122000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122000100 is an abundant number, since it is smaller than the sum of its proper divisors (26348828124).

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

22122000100 is a wasteful number, since it uses less digits than its factorization.

22122000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147884 (or 2147877 counting only the distinct ones).

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

Adding to 22122000100 its reverse (100022122), we get a palindrome (22222022222).

The spelling of 22122000100 in words is "twenty-two billion, one hundred twenty-two million, one hundred", and thus it is an aban number.