130221001091 has 2 divisors, whose sum is σ = 130221001092. Its totient is φ = 130221001090.

The previous prime is 130221001069. The next prime is 130221001093. The reversal of 130221001091 is 190100122031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130221001091 - 2¹⁰ = 130221000067 is a prime.

Together with 130221001093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130221001093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110500545 + 65110500546.

It is an arithmetic number, because the mean of its divisors is an integer number (65110500546).

Almost surely, 2^130221001091 is an apocalyptic number.

130221001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

130221001091 is an equidigital number, since it uses as much as digits as its factorization.

130221001091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 130221001091 in words is "one hundred thirty billion, two hundred twenty-one million, one thousand, ninety-one".