11032221191 has 2 divisors, whose sum is σ = 11032221192. Its totient is φ = 11032221190.

The previous prime is 11032221181. The next prime is 11032221203. The reversal of 11032221191 is 19112223011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11032221191 - 2⁶ = 11032221127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11032221121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516110595 + 5516110596.

It is an arithmetic number, because the mean of its divisors is an integer number (5516110596).

Almost surely, 2^11032221191 is an apocalyptic number.

11032221191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11032221191 is an equidigital number, since it uses as much as digits as its factorization.

11032221191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11032221191 in words is "eleven billion, thirty-two million, two hundred twenty-one thousand, one hundred ninety-one".