202102222011100 has 18 divisors (see below), whose sum is σ = 438561821764304. Its totient is φ = 80840888804400.

The previous prime is 202102222011073. The next prime is 202102222011167. The reversal of 202102222011100 is 1110222201202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1010511109956 + ... + 1010511110155.

Almost surely, 2^{202102222011100} is an apocalyptic number.

202102222011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102222011100 is an abundant number, since it is smaller than the sum of its proper divisors (236459599753204).

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

202102222011100 is a wasteful number, since it uses less digits than its factorization.

202102222011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021022220125 (or 2021022220118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102222011100 its reverse (1110222201202), we get a palindrome (203212444212302).

The spelling of 202102222011100 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-two million, eleven thousand, one hundred".