202201200100 has 36 divisors (see below), whose sum is σ = 450635439604. Its totient is φ = 78694519680.

The previous prime is 202201200023. The next prime is 202201200101. The reversal of 202201200100 is 1002102202.

It can be written as a sum of positive squares in 6 ways, for example, as 9220224484 + 192980975616 = 96022^2 + 439296^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202201200101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27320787 + ... + 27328186.

Almost surely, 2^202201200100 is an apocalyptic number.

202201200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201200100 is an abundant number, since it is smaller than the sum of its proper divisors (248434239504).

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

202201200100 is a wasteful number, since it uses less digits than its factorization.

202201200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54649024 (or 54649017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202201200100 its reverse (1002102202), we get a palindrome (203203302302).

The spelling of 202201200100 in words is "two hundred two billion, two hundred one million, two hundred thousand, one hundred".