22101202021100 has 36 divisors (see below), whose sum is σ = 48566692053600. Its totient is φ = 8728575984960.

The previous prime is 22101202021099. The next prime is 22101202021103. The reversal of 22101202021100 is 112020210122.

It is not an unprimeable number, because it can be changed into a prime (22101202021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1398802355 + ... + 1398818154.

Almost surely, 2^{22101202021100} is an apocalyptic number.

22101202021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101202021100 is an abundant number, since it is smaller than the sum of its proper divisors (26465490032500).

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

22101202021100 is a wasteful number, since it uses less digits than its factorization.

22101202021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797620602 (or 2797620595 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101202021100 its reverse (112020210122), we get a palindrome (22213222231222).

The spelling of 22101202021100 in words is "twenty-two trillion, one hundred one billion, two hundred two million, twenty-one thousand, one hundred".