22012202102100 has 144 divisors (see below), whose sum is σ = 74562308290176. Its totient is φ = 4908644352000.

The previous prime is 22012202102089. The next prime is 22012202102101. The reversal of 22012202102100 is 120120221022.

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 22012202102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012202102101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127743181 + ... + 127915380.

Almost surely, 2^{22012202102100} is an apocalyptic number.

22012202102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012202102100 is an abundant number, since it is smaller than the sum of its proper divisors (52550106188076).

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

22012202102100 is a wasteful number, since it uses less digits than its factorization.

22012202102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255658626 (or 255658619 counting only the distinct ones).

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

Adding to 22012202102100 its reverse (120120221022), we get a palindrome (22132322323122).

The spelling of 22012202102100 in words is "twenty-two trillion, twelve billion, two hundred two million, one hundred two thousand, one hundred".