11321221323199 has 2 divisors, whose sum is σ = 11321221323200. Its totient is φ = 11321221323198.

The previous prime is 11321221323193. The next prime is 11321221323229. The reversal of 11321221323199 is 99132312212311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11321221323199 - 2⁹ = 11321221322687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321221323193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660610661599 + 5660610661600.

It is an arithmetic number, because the mean of its divisors is an integer number (5660610661600).

Almost surely, 2^{11321221323199} is an apocalyptic number.

11321221323199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321221323199 is an equidigital number, since it uses as much as digits as its factorization.

11321221323199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The spelling of 11321221323199 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred ninety-nine".