11331120111103 has 8 divisors (see below), whose sum is σ = 12202799133168. Its totient is φ = 10459448860224.

The previous prime is 11331120111089. The next prime is 11331120111239. The reversal of 11331120111103 is 30111102113311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11331120111103 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 (11331120171103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284075 + ... + 4930627.

It is an arithmetic number, because the mean of its divisors is an integer number (1525349891646).

Almost surely, 2^{11331120111103} is an apocalyptic number.

11331120111103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331120111103 is a deficient number, since it is larger than the sum of its proper divisors (871679022065).

11331120111103 is a wasteful number, since it uses less digits than its factorization.

11331120111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885593.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11331120111103 its reverse (30111102113311), we get a palindrome (41442222224414).

The spelling of 11331120111103 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty million, one hundred eleven thousand, one hundred three".