202220111102017 has 2 divisors, whose sum is σ = 202220111102018. Its totient is φ = 202220111102016.

The previous prime is 202220111101993. The next prime is 202220111102069. The reversal of 202220111102017 is 710201111022202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112897935118336 + 89322175983681 = 10625344^2 + 9451041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202220111102017 is a prime.

It is a super-2 number, since 2×202220111102017² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202220111102077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110055551008 + 101110055551009.

It is an arithmetic number, because the mean of its divisors is an integer number (101110055551009).

Almost surely, 2^{202220111102017} is an apocalyptic number.

It is an amenable number.

202220111102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220111102017 is an equidigital number, since it uses as much as digits as its factorization.

202220111102017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 202220111102017 its reverse (710201111022202), we get a palindrome (912421222124219).

The spelling of 202220111102017 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred two thousand, seventeen".