120102015161 has 2 divisors, whose sum is σ = 120102015162. Its totient is φ = 120102015160.

The previous prime is 120102015151. The next prime is 120102015169. The reversal of 120102015161 is 161510201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118211504761 + 1890510400 = 343819^2 + 43480^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102015161 - 2⁶ = 120102015097 is a prime.

It is not a weakly prime, because it can be changed into another prime (120102015169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051007580 + 60051007581.

It is an arithmetic number, because the mean of its divisors is an integer number (60051007581).

Almost surely, 2^120102015161 is an apocalyptic number.

It is an amenable number.

120102015161 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102015161 is an equidigital number, since it uses as much as digits as its factorization.

120102015161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 120102015161 its reverse (161510201021), we get a palindrome (281612216182).

The spelling of 120102015161 in words is "one hundred twenty billion, one hundred two million, fifteen thousand, one hundred sixty-one".