11011010211999 has 40 divisors (see below), whose sum is σ = 18831260759168. Its totient is φ = 6280986376080.

The previous prime is 11011010211977. The next prime is 11011010212031. The reversal of 11011010211999 is 99911201011011.

It is not a de Polignac number, because 11011010211999 - 2²⁴ = 11010993434783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011010211599) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16681297 + ... + 17328810.

Almost surely, 2^{11011010211999} is an apocalyptic number.

11011010211999 is a deficient number, since it is larger than the sum of its proper divisors (7820250547169).

11011010211999 is an equidigital number, since it uses as much as digits as its factorization.

11011010211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010697 (or 34010688 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 36.

The spelling of 11011010211999 in words is "eleven trillion, eleven billion, ten million, two hundred eleven thousand, nine hundred ninety-nine".