130442021203891 has 2 divisors, whose sum is σ = 130442021203892. Its totient is φ = 130442021203890.

The previous prime is 130442021203861. The next prime is 130442021203913. The reversal of 130442021203891 is 198302120244031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130442021203891 - 2⁷ = 130442021203763 is a prime.

It is not a weakly prime, because it can be changed into another prime (130442021203841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221010601945 + 65221010601946.

It is an arithmetic number, because the mean of its divisors is an integer number (65221010601946).

Almost surely, 2^{130442021203891} is an apocalyptic number.

130442021203891 is a deficient number, since it is larger than the sum of its proper divisors (1).

130442021203891 is an equidigital number, since it uses as much as digits as its factorization.

130442021203891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 130442021203891 in words is "one hundred thirty trillion, four hundred forty-two billion, twenty-one million, two hundred three thousand, eight hundred ninety-one".