102312220032091 has 2 divisors, whose sum is σ = 102312220032092. Its totient is φ = 102312220032090.

The previous prime is 102312220032089. The next prime is 102312220032133. The reversal of 102312220032091 is 190230022213201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102312220032091 - 2¹ = 102312220032089 is a prime.

Together with 102312220032089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102312220032391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156110016045 + 51156110016046.

It is an arithmetic number, because the mean of its divisors is an integer number (51156110016046).

Almost surely, 2^{102312220032091} is an apocalyptic number.

102312220032091 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312220032091 is an equidigital number, since it uses as much as digits as its factorization.

102312220032091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 102312220032091 its reverse (190230022213201), we get a palindrome (292542242245292).

The spelling of 102312220032091 in words is "one hundred two trillion, three hundred twelve billion, two hundred twenty million, thirty-two thousand, ninety-one".