130442113121 has 2 divisors, whose sum is σ = 130442113122. Its totient is φ = 130442113120.

The previous prime is 130442113097. The next prime is 130442113127. The reversal of 130442113121 is 121311244031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84936690721 + 45505422400 = 291439^2 + 213320^2 .

It is a cyclic number.

It is not a de Polignac number, because 130442113121 - 2⁶ = 130442113057 is a prime.

It is not a weakly prime, because it can be changed into another prime (130442113127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221056560 + 65221056561.

It is an arithmetic number, because the mean of its divisors is an integer number (65221056561).

Almost surely, 2^130442113121 is an apocalyptic number.

It is an amenable number.

130442113121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130442113121 is an equidigital number, since it uses as much as digits as its factorization.

130442113121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 130442113121 its reverse (121311244031), we get a palindrome (251753357152).

The spelling of 130442113121 in words is "one hundred thirty billion, four hundred forty-two million, one hundred thirteen thousand, one hundred twenty-one".