202117216202 has 8 divisors (see below), whose sum is σ = 330737262912. Its totient is φ = 91871461900.

The previous prime is 202117216163. The next prime is 202117216271. The reversal of 202117216202 is 202612711202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202117216202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593573074 + ... + 4593573117.

It is an arithmetic number, because the mean of its divisors is an integer number (41342157864).

Almost surely, 2^202117216202 is an apocalyptic number.

202117216202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202117216202 is a deficient number, since it is larger than the sum of its proper divisors (128620046710).

202117216202 is a wasteful number, since it uses less digits than its factorization.

202117216202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187146204.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 202117216202 its reverse (202612711202), we get a palindrome (404729927404).

The spelling of 202117216202 in words is "two hundred two billion, one hundred seventeen million, two hundred sixteen thousand, two hundred two".