102211211194717 has 2 divisors, whose sum is σ = 102211211194718. Its totient is φ = 102211211194716.

The previous prime is 102211211194711. The next prime is 102211211194727. The reversal of 102211211194717 is 717491112112201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79311741849796 + 22899469344921 = 8905714^2 + 4785339^2 .

It is a cyclic number.

It is not a de Polignac number, because 102211211194717 - 2³ = 102211211194709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102211211194717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102211211194711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105605597358 + 51105605597359.

It is an arithmetic number, because the mean of its divisors is an integer number (51105605597359).

Almost surely, 2^{102211211194717} is an apocalyptic number.

It is an amenable number.

102211211194717 is a deficient number, since it is larger than the sum of its proper divisors (1).

102211211194717 is an equidigital number, since it uses as much as digits as its factorization.

102211211194717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 40.

The spelling of 102211211194717 in words is "one hundred two trillion, two hundred eleven billion, two hundred eleven million, one hundred ninety-four thousand, seven hundred seventeen".