102320112137 has 2 divisors, whose sum is σ = 102320112138. Its totient is φ = 102320112136.

The previous prime is 102320112073. The next prime is 102320112203. The reversal of 102320112137 is 731211023201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101541646336 + 778465801 = 318656^2 + 27901^2 .

It is a cyclic number.

It is not a de Polignac number, because 102320112137 - 2⁶ = 102320112073 is a prime.

It is not a weakly prime, because it can be changed into another prime (102320111137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160056068 + 51160056069.

It is an arithmetic number, because the mean of its divisors is an integer number (51160056069).

Almost surely, 2^102320112137 is an apocalyptic number.

It is an amenable number.

102320112137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320112137 is an equidigital number, since it uses as much as digits as its factorization.

102320112137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 102320112137 its reverse (731211023201), we get a palindrome (833531135338).

The spelling of 102320112137 in words is "one hundred two billion, three hundred twenty million, one hundred twelve thousand, one hundred thirty-seven".