11310202221191 has 2 divisors, whose sum is σ = 11310202221192. Its totient is φ = 11310202221190.

The previous prime is 11310202221169. The next prime is 11310202221217. The reversal of 11310202221191 is 19112220201311.

11310202221191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11310202221217) can be obtained adding 11310202221191 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11310202221191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11310202221191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310202221121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655101110595 + 5655101110596.

It is an arithmetic number, because the mean of its divisors is an integer number (5655101110596).

Almost surely, 2^{11310202221191} is an apocalyptic number.

11310202221191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310202221191 is an equidigital number, since it uses as much as digits as its factorization.

11310202221191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 11310202221191 in words is "eleven trillion, three hundred ten billion, two hundred two million, two hundred twenty-one thousand, one hundred ninety-one".