202212202117 has 2 divisors, whose sum is σ = 202212202118. Its totient is φ = 202212202116.

The previous prime is 202212202109. The next prime is 202212202151. The reversal of 202212202117 is 711202212202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138602822436 + 63609379681 = 372294^2 + 252209^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212202117 - 2³ = 202212202109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212202817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106101058 + 101106101059.

It is an arithmetic number, because the mean of its divisors is an integer number (101106101059).

Almost surely, 2^202212202117 is an apocalyptic number.

It is an amenable number.

202212202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212202117 is an equidigital number, since it uses as much as digits as its factorization.

202212202117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 202212202117 its reverse (711202212202), we get a palindrome (913414414319).

The spelling of 202212202117 in words is "two hundred two billion, two hundred twelve million, two hundred two thousand, one hundred seventeen".