22002221101291 has 2 divisors, whose sum is σ = 22002221101292. Its totient is φ = 22002221101290.

The previous prime is 22002221101057. The next prime is 22002221101297. The reversal of 22002221101291 is 19210112220022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22002221101291 - 2⁴³ = 13206128079083 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002221101297) 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, 11001110550645 + 11001110550646.

It is an arithmetic number, because the mean of its divisors is an integer number (11001110550646).

Almost surely, 2^{22002221101291} is an apocalyptic number.

22002221101291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002221101291 is an equidigital number, since it uses as much as digits as its factorization.

22002221101291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 22002221101291 in words is "twenty-two trillion, two billion, two hundred twenty-one million, one hundred one thousand, two hundred ninety-one".