11011203111199 has 4 divisors (see below), whose sum is σ = 11033269651000. Its totient is φ = 10989136571400.

The previous prime is 11011203111187. The next prime is 11011203111239. The reversal of 11011203111199 is 99111130211011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11011203111199 - 2³⁷ = 10873764157727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011203111199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011203111149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11033269152 + ... + 11033270149.

It is an arithmetic number, because the mean of its divisors is an integer number (2758317412750).

Almost surely, 2^{11011203111199} is an apocalyptic number.

11011203111199 is a deficient number, since it is larger than the sum of its proper divisors (22066539801).

11011203111199 is an equidigital number, since it uses as much as digits as its factorization.

11011203111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066539800.

The product of its (nonzero) digits is 486, while the sum is 31.

The spelling of 11011203111199 in words is "eleven trillion, eleven billion, two hundred three million, one hundred eleven thousand, one hundred ninety-nine".