102402238241161 has 2 divisors, whose sum is σ = 102402238241162. Its totient is φ = 102402238241160.

The previous prime is 102402238241143. The next prime is 102402238241167. The reversal of 102402238241161 is 161142832204201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61293867321600 + 41108370919561 = 7829040^2 + 6411581^2 .

It is a cyclic number.

It is not a de Polignac number, because 102402238241161 - 2⁹ = 102402238240649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102402238241161.

It is not a weakly prime, because it can be changed into another prime (102402238241167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201119120580 + 51201119120581.

It is an arithmetic number, because the mean of its divisors is an integer number (51201119120581).

Almost surely, 2^{102402238241161} is an apocalyptic number.

It is an amenable number.

102402238241161 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402238241161 is an equidigital number, since it uses as much as digits as its factorization.

102402238241161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 102402238241161 in words is "one hundred two trillion, four hundred two billion, two hundred thirty-eight million, two hundred forty-one thousand, one hundred sixty-one".