101202102139 has 2 divisors, whose sum is σ = 101202102140. Its totient is φ = 101202102138.

The previous prime is 101202102041. The next prime is 101202102167. The reversal of 101202102139 is 931201202101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101202102139 - 2²¹ = 101200004987 is a prime.

It is not a weakly prime, because it can be changed into another prime (101202102439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601051069 + 50601051070.

It is an arithmetic number, because the mean of its divisors is an integer number (50601051070).

Almost surely, 2^101202102139 is an apocalyptic number.

101202102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202102139 is an equidigital number, since it uses as much as digits as its factorization.

101202102139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 101202102139 in words is "one hundred one billion, two hundred two million, one hundred two thousand, one hundred thirty-nine".