121152102139 has 2 divisors, whose sum is σ = 121152102140. Its totient is φ = 121152102138.

The previous prime is 121152102109. The next prime is 121152102163. The reversal of 121152102139 is 931201251121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121152102139 - 2¹⁷ = 121151971067 is a prime.

It is not a weakly prime, because it can be changed into another prime (121152102109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60576051069 + 60576051070.

It is an arithmetic number, because the mean of its divisors is an integer number (60576051070).

Almost surely, 2^121152102139 is an apocalyptic number.

121152102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

121152102139 is an equidigital number, since it uses as much as digits as its factorization.

121152102139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 121152102139 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred two thousand, one hundred thirty-nine".