11103011122211 has 4 divisors (see below), whose sum is σ = 11259391560624. Its totient is φ = 10946630683800.

The previous prime is 11103011122169. The next prime is 11103011122213. The reversal of 11103011122211 is 11222111030111.

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 11103011122211 - 2²² = 11103006927907 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 11103011122211.

It is not an unprimeable number, because it can be changed into a prime (11103011122213) 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, 78190219100 + ... + 78190219241.

It is an arithmetic number, because the mean of its divisors is an integer number (2814847890156).

Almost surely, 2^{11103011122211} is an apocalyptic number.

11103011122211 is a deficient number, since it is larger than the sum of its proper divisors (156380438413).

11103011122211 is an equidigital number, since it uses as much as digits as its factorization.

11103011122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156380438412.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11103011122211 its reverse (11222111030111), we get a palindrome (22325122152322).

The spelling of 11103011122211 in words is "eleven trillion, one hundred three billion, eleven million, one hundred twenty-two thousand, two hundred eleven".