102221998006169 has 2 divisors, whose sum is σ = 102221998006170. Its totient is φ = 102221998006168.

The previous prime is 102221998006151. The next prime is 102221998006253. The reversal of 102221998006169 is 961600899122201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67873079974144 + 34348918032025 = 8238512^2 + 5860795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102221998006169 is a prime.

It is a super-2 number, since 2×102221998006169² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102221998006129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110999003084 + 51110999003085.

It is an arithmetic number, because the mean of its divisors is an integer number (51110999003085).

Almost surely, 2^{102221998006169} is an apocalyptic number.

It is an amenable number.

102221998006169 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221998006169 is an equidigital number, since it uses as much as digits as its factorization.

102221998006169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The spelling of 102221998006169 in words is "one hundred two trillion, two hundred twenty-one billion, nine hundred ninety-eight million, six thousand, one hundred sixty-nine".