11113221100999 has 2 divisors, whose sum is σ = 11113221101000. Its totient is φ = 11113221100998.

The previous prime is 11113221100991. The next prime is 11113221101009. The reversal of 11113221100999 is 99900112231111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11113221100999 - 2³ = 11113221100991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113221100991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556610550499 + 5556610550500.

It is an arithmetic number, because the mean of its divisors is an integer number (5556610550500).

Almost surely, 2^{11113221100999} is an apocalyptic number.

11113221100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113221100999 is an equidigital number, since it uses as much as digits as its factorization.

11113221100999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 40.

The spelling of 11113221100999 in words is "eleven trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred thousand, nine hundred ninety-nine".