102111201139 has 2 divisors, whose sum is σ = 102111201140. Its totient is φ = 102111201138.

The previous prime is 102111201119. The next prime is 102111201151. The reversal of 102111201139 is 931102111201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102111201139 - 2⁹ = 102111200627 is a prime.

It is not a weakly prime, because it can be changed into another prime (102111201119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055600569 + 51055600570.

It is an arithmetic number, because the mean of its divisors is an integer number (51055600570).

Almost surely, 2^102111201139 is an apocalyptic number.

102111201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111201139 is an equidigital number, since it uses as much as digits as its factorization.

102111201139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 102111201139 in words is "one hundred two billion, one hundred eleven million, two hundred one thousand, one hundred thirty-nine".