202117216203 has 96 divisors (see below), whose sum is σ = 346176230400. Its totient is φ = 113573940480.

The previous prime is 202117216163. The next prime is 202117216271. The reversal of 202117216203 is 302612711202.

202117216203 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 17 + 21 + 620 + 3 = 666.

It is not a de Polignac number, because 202117216203 - 2⁸ = 202117215947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202117216283) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45694650 + ... + 45699072.

It is an arithmetic number, because the mean of its divisors is an integer number (3606002400).

Almost surely, 2^202117216203 is an apocalyptic number.

202117216203 is a deficient number, since it is larger than the sum of its proper divisors (144059014197).

202117216203 is a wasteful number, since it uses less digits than its factorization.

202117216203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 202117216203 its reverse (302612711202), we get a palindrome (504729927405).

The spelling of 202117216203 in words is "two hundred two billion, one hundred seventeen million, two hundred sixteen thousand, two hundred three".