102002202161 has 2 divisors, whose sum is σ = 102002202162. Its totient is φ = 102002202160.

The previous prime is 102002202143. The next prime is 102002202167. The reversal of 102002202161 is 161202200201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99099040000 + 2903162161 = 314800^2 + 53881^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002202161 - 2¹⁴ = 102002185777 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002202167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001101080 + 51001101081.

It is an arithmetic number, because the mean of its divisors is an integer number (51001101081).

Almost surely, 2^102002202161 is an apocalyptic number.

It is an amenable number.

102002202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002202161 is an equidigital number, since it uses as much as digits as its factorization.

102002202161 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 17.

Adding to 102002202161 its reverse (161202200201), we get a palindrome (263204402362).

The spelling of 102002202161 in words is "one hundred two billion, two million, two hundred two thousand, one hundred sixty-one".