201020100111200 has 72 divisors (see below), whose sum is σ = 490845209989680. Its totient is φ = 80390853670400.

The previous prime is 201020100111169. The next prime is 201020100111289. The reversal of 201020100111200 is 2111001020102.

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, 23108171 + ... + 30594570.

It is an arithmetic number, because the mean of its divisors is an integer number (6817294583190).

Almost surely, 2^{201020100111200} is an apocalyptic number.

201020100111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020100111200 is an abundant number, since it is smaller than the sum of its proper divisors (289825109878480).

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

201020100111200 is a wasteful number, since it uses less digits than its factorization.

201020100111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53707440 (or 53707427 counting only the distinct ones).

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

Adding to 201020100111200 its reverse (2111001020102), we get a palindrome (203131101131302).

The spelling of 201020100111200 in words is "two hundred one trillion, twenty billion, one hundred million, one hundred eleven thousand, two hundred".