202011111112169 has 2 divisors, whose sum is σ = 202011111112170. Its totient is φ = 202011111112168.

The previous prime is 202011111112127. The next prime is 202011111112301. The reversal of 202011111112169 is 961211111110202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108792472311769 + 93218638800400 = 10430363^2 + 9654980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202011111112169 is a prime.

It is a super-2 number, since 2×202011111112169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202011111112469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005555556084 + 101005555556085.

It is an arithmetic number, because the mean of its divisors is an integer number (101005555556085).

Almost surely, 2^{202011111112169} is an apocalyptic number.

It is an amenable number.

202011111112169 is a deficient number, since it is larger than the sum of its proper divisors (1).

202011111112169 is an equidigital number, since it uses as much as digits as its factorization.

202011111112169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 29.

The spelling of 202011111112169 in words is "two hundred two trillion, eleven billion, one hundred eleven million, one hundred twelve thousand, one hundred sixty-nine".