102202112161 has 2 divisors, whose sum is σ = 102202112162. Its totient is φ = 102202112160.

The previous prime is 102202112087. The next prime is 102202112191. The reversal of 102202112161 is 161211202201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94475702161 + 7726410000 = 307369^2 + 87900^2 .

It is a cyclic number.

It is not a de Polignac number, because 102202112161 - 2¹⁵ = 102202079393 is a prime.

It is not a weakly prime, because it can be changed into another prime (102202112191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101056080 + 51101056081.

It is an arithmetic number, because the mean of its divisors is an integer number (51101056081).

Almost surely, 2^102202112161 is an apocalyptic number.

It is an amenable number.

102202112161 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202112161 is an equidigital number, since it uses as much as digits as its factorization.

102202112161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102202112161 its reverse (161211202201), we get a palindrome (263413314362).

The spelling of 102202112161 in words is "one hundred two billion, two hundred two million, one hundred twelve thousand, one hundred sixty-one".