12222212322091 has 2 divisors, whose sum is σ = 12222212322092. Its totient is φ = 12222212322090.

The previous prime is 12222212322071. The next prime is 12222212322113. The reversal of 12222212322091 is 19022321222221.

It is a weak prime.

It is an emirp because it is prime and its reverse (19022321222221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12222212322091 - 2³⁵ = 12187852583723 is a prime.

It is a super-2 number, since 2×12222212322091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12222212322031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111106161045 + 6111106161046.

It is an arithmetic number, because the mean of its divisors is an integer number (6111106161046).

Almost surely, 2^{12222212322091} is an apocalyptic number.

12222212322091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222212322091 is an equidigital number, since it uses as much as digits as its factorization.

12222212322091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 12222212322091 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, three hundred twenty-two thousand, ninety-one".