22120210202100 has 36 divisors (see below), whose sum is σ = 64001141518944. Its totient is φ = 5898722720480.

The previous prime is 22120210202029. The next prime is 22120210202179. The reversal of 22120210202100 is 120201202122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22120210202100.

It is a congruent number.

It is an unprimeable number.

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, 36867016704 + ... + 36867017303.

Almost surely, 2^{22120210202100} is an apocalyptic number.

22120210202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120210202100 is an abundant number, since it is smaller than the sum of its proper divisors (41880931316844).

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

22120210202100 is a wasteful number, since it uses less digits than its factorization.

22120210202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73734034024 (or 73734034017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120210202100 its reverse (120201202122), we get a palindrome (22240411404222).

The spelling of 22120210202100 in words is "twenty-two trillion, one hundred twenty billion, two hundred ten million, two hundred two thousand, one hundred".