11121113103 has 8 divisors (see below), whose sum is σ = 14994759600. Its totient is φ = 7330771008.

The previous prime is 11121113089. The next prime is 11121113189. The reversal of 11121113103 is 30131112111.

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

It is not a de Polignac number, because 11121113103 - 2⁵ = 11121113071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121113303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20825788 + ... + 20826321.

It is an arithmetic number, because the mean of its divisors is an integer number (1874344950).

Almost surely, 2^11121113103 is an apocalyptic number.

11121113103 is a deficient number, since it is larger than the sum of its proper divisors (3873646497).

11121113103 is an equidigital number, since it uses as much as digits as its factorization.

11121113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41652201.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11121113103 its reverse (30131112111), we get a palindrome (41252225214).

The spelling of 11121113103 in words is "eleven billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred three".