11021332221191 has 2 divisors, whose sum is σ = 11021332221192. Its totient is φ = 11021332221190.

The previous prime is 11021332221127. The next prime is 11021332221293. The reversal of 11021332221191 is 19112223312011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021332221191 - 2⁶ = 11021332221127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021332241191) 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, 5510666110595 + 5510666110596.

It is an arithmetic number, because the mean of its divisors is an integer number (5510666110596).

Almost surely, 2^{11021332221191} is an apocalyptic number.

11021332221191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021332221191 is an equidigital number, since it uses as much as digits as its factorization.

11021332221191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 11021332221191 in words is "eleven trillion, twenty-one billion, three hundred thirty-two million, two hundred twenty-one thousand, one hundred ninety-one".