11323320221999 has 2 divisors, whose sum is σ = 11323320222000. Its totient is φ = 11323320221998.

The previous prime is 11323320221987. The next prime is 11323320222013. The reversal of 11323320221999 is 99912202332311.

11323320221999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11323320221999 - 2³⁶ = 11254600745263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323320221909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661660110999 + 5661660111000.

It is an arithmetic number, because the mean of its divisors is an integer number (5661660111000).

Almost surely, 2^{11323320221999} is an apocalyptic number.

11323320221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323320221999 is an equidigital number, since it uses as much as digits as its factorization.

11323320221999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 11323320221999 in words is "eleven trillion, three hundred twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, nine hundred ninety-nine".