22111210010191 has 2 divisors, whose sum is σ = 22111210010192. Its totient is φ = 22111210010190.

The previous prime is 22111210010167. The next prime is 22111210010213. The reversal of 22111210010191 is 19101001211122.

It is a happy number.

It is an a-pointer prime, because the next prime (22111210010213) can be obtained adding 22111210010191 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111210010191 - 2⁵ = 22111210010159 is a prime.

It is a super-2 number, since 2×22111210010191² (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 (22111210010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055605005095 + 11055605005096.

It is an arithmetic number, because the mean of its divisors is an integer number (11055605005096).

Almost surely, 2^{22111210010191} is an apocalyptic number.

22111210010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111210010191 is an equidigital number, since it uses as much as digits as its factorization.

22111210010191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 22111210010191 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, ten thousand, one hundred ninety-one".