130122210091 has 2 divisors, whose sum is σ = 130122210092. Its totient is φ = 130122210090.

The previous prime is 130122210089. The next prime is 130122210109. The reversal of 130122210091 is 190012221031.

Together with next prime (130122210109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130122210091 - 2¹ = 130122210089 is a prime.

Together with 130122210089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130122210191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65061105045 + 65061105046.

It is an arithmetic number, because the mean of its divisors is an integer number (65061105046).

Almost surely, 2^130122210091 is an apocalyptic number.

130122210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

130122210091 is an equidigital number, since it uses as much as digits as its factorization.

130122210091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 130122210091 in words is "one hundred thirty billion, one hundred twenty-two million, two hundred ten thousand, ninety-one".