102102322139 has 2 divisors, whose sum is σ = 102102322140. Its totient is φ = 102102322138.

The previous prime is 102102322121. The next prime is 102102322171. The reversal of 102102322139 is 931223201201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102102322139 - 2¹⁶ = 102102256603 is a prime.

It is a super-2 number, since 2×102102322139² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102102322739) 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, 51051161069 + 51051161070.

It is an arithmetic number, because the mean of its divisors is an integer number (51051161070).

Almost surely, 2^102102322139 is an apocalyptic number.

102102322139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102322139 is an equidigital number, since it uses as much as digits as its factorization.

102102322139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 102102322139 in words is "one hundred two billion, one hundred two million, three hundred twenty-two thousand, one hundred thirty-nine".