22012210211191 has 2 divisors, whose sum is σ = 22012210211192. Its totient is φ = 22012210211190.

The previous prime is 22012210211153. The next prime is 22012210211261. The reversal of 22012210211191 is 19111201221022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012210211191 - 2³⁷ = 21874771257719 is a prime.

It is a super-2 number, since 2×22012210211191² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012210211491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006105105595 + 11006105105596.

It is an arithmetic number, because the mean of its divisors is an integer number (11006105105596).

Almost surely, 2^{22012210211191} is an apocalyptic number.

22012210211191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012210211191 is an equidigital number, since it uses as much as digits as its factorization.

22012210211191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 22012210211191 in words is "twenty-two trillion, twelve billion, two hundred ten million, two hundred eleven thousand, one hundred ninety-one".