11011121121199 has 2 divisors, whose sum is σ = 11011121121200. Its totient is φ = 11011121121198.

The previous prime is 11011121121167. The next prime is 11011121121233. The reversal of 11011121121199 is 99112112111011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011121121199 - 2⁵ = 11011121121167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011121121199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011121121899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505560560599 + 5505560560600.

It is an arithmetic number, because the mean of its divisors is an integer number (5505560560600).

Almost surely, 2^{11011121121199} is an apocalyptic number.

11011121121199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011121121199 is an equidigital number, since it uses as much as digits as its factorization.

11011121121199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 31.

The spelling of 11011121121199 in words is "eleven trillion, eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred ninety-nine".