22020011191 has 2 divisors, whose sum is σ = 22020011192. Its totient is φ = 22020011190.

The previous prime is 22020011173. The next prime is 22020011203. The reversal of 22020011191 is 19111002022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020011191 - 2⁷ = 22020011063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020011291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010005595 + 11010005596.

It is an arithmetic number, because the mean of its divisors is an integer number (11010005596).

Almost surely, 2^22020011191 is an apocalyptic number.

22020011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020011191 is an equidigital number, since it uses as much as digits as its factorization.

22020011191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22020011191 in words is "twenty-two billion, twenty million, eleven thousand, one hundred ninety-one".