22012001012191 has 2 divisors, whose sum is σ = 22012001012192. Its totient is φ = 22012001012190.

The previous prime is 22012001012123. The next prime is 22012001012203. The reversal of 22012001012191 is 19121010021022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012001012191 - 2⁷ = 22012001012063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012001018191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006000506095 + 11006000506096.

It is an arithmetic number, because the mean of its divisors is an integer number (11006000506096).

Almost surely, 2^{22012001012191} is an apocalyptic number.

22012001012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012001012191 is an equidigital number, since it uses as much as digits as its factorization.

22012001012191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22012001012191 in words is "twenty-two trillion, twelve billion, one million, twelve thousand, one hundred ninety-one".