202220120010100 has 36 divisors (see below), whose sum is σ = 441242067425068. Its totient is φ = 80441152704000.

The previous prime is 202220120010091. The next prime is 202220120010119. The reversal of 202220120010100 is 1010021022202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 60240789112036 + 141979330898064 = 7761494^2 + 11915508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5586173061 + ... + 5586209260.

Almost surely, 2^{202220120010100} is an apocalyptic number.

202220120010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220120010100 is an abundant number, since it is smaller than the sum of its proper divisors (239021947414968).

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

202220120010100 is a wasteful number, since it uses less digits than its factorization.

202220120010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172382516 (or 11172382509 counting only the distinct ones).

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

Adding to 202220120010100 its reverse (1010021022202), we get a palindrome (203230141032302).

The spelling of 202220120010100 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty million, ten thousand, one hundred".