11331332193221 has 2 divisors, whose sum is σ = 11331332193222. Its totient is φ = 11331332193220.

The previous prime is 11331332193187. The next prime is 11331332193229. The reversal of 11331332193221 is 12239123313311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6778805860996 + 4552526332225 = 2603614^2 + 2133665^2 .

It is an emirp because it is prime and its reverse (12239123313311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331332193221 - 2³⁴ = 11314152324037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331332193229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665666096610 + 5665666096611.

It is an arithmetic number, because the mean of its divisors is an integer number (5665666096611).

Almost surely, 2^{11331332193221} is an apocalyptic number.

It is an amenable number.

11331332193221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331332193221 is an equidigital number, since it uses as much as digits as its factorization.

11331332193221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The spelling of 11331332193221 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-two million, one hundred ninety-three thousand, two hundred twenty-one".