22020210102100 has 108 divisors (see below), whose sum is σ = 55939350248796. Its totient is φ = 7501698247680.

The previous prime is 22020210102073. The next prime is 22020210102109. The reversal of 22020210102100 is 120101202022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 71978256 + 22020138123844 = 8484^2 + 4692562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020210102109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13542549 + ... + 15081148.

Almost surely, 2^{22020210102100} is an apocalyptic number.

22020210102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020210102100 is an abundant number, since it is smaller than the sum of its proper divisors (33919140146696).

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

22020210102100 is a wasteful number, since it uses less digits than its factorization.

22020210102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28623882 (or 28623868 counting only the distinct ones).

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

Adding to 22020210102100 its reverse (120101202022), we get a palindrome (22140311304122).

The spelling of 22020210102100 in words is "twenty-two trillion, twenty billion, two hundred ten million, one hundred two thousand, one hundred".