202011101200100 has 36 divisors (see below), whose sum is σ = 438453974626164. Its totient is φ = 80787871812480.

The previous prime is 202011101200079. The next prime is 202011101200151. The reversal of 202011101200100 is 1002101110202.

It can be written as a sum of positive squares in 6 ways, for example, as 6743567598244 + 195267533601856 = 2596838^2 + 13973816^2 .

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, 206618207 + ... + 207593606.

It is an arithmetic number, because the mean of its divisors is an integer number (12179277072949).

Almost surely, 2^{202011101200100} is an apocalyptic number.

202011101200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011101200100 is an abundant number, since it is smaller than the sum of its proper divisors (236442873426064).

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

202011101200100 is a wasteful number, since it uses less digits than its factorization.

202011101200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414216704 (or 414216697 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202011101200100 its reverse (1002101110202), we get a palindrome (203013202310302).

The spelling of 202011101200100 in words is "two hundred two trillion, eleven billion, one hundred one million, two hundred thousand, one hundred".