202099118771 has 12 divisors (see below), whose sum is σ = 222230458632. Its totient is φ = 183653316000.

The previous prime is 202099118671. The next prime is 202099118773. The reversal of 202099118771 is 177811990202.

It is a de Polignac number, because none of the positive numbers 2^k-202099118771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202099118773) 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, 26225 + ... + 636306.

It is an arithmetic number, because the mean of its divisors is an integer number (18519204886).

Almost surely, 2^202099118771 is an apocalyptic number.

202099118771 is a deficient number, since it is larger than the sum of its proper divisors (20131339861).

202099118771 is a wasteful number, since it uses less digits than its factorization.

202099118771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665074 (or 665063 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 202099118771 in words is "two hundred two billion, ninety-nine million, one hundred eighteen thousand, seven hundred seventy-one".