11121330103 has 12 divisors (see below), whose sum is σ = 12053122248. Its totient is φ = 10256893920.

The previous prime is 11121330071. The next prime is 11121330127. The reversal of 11121330103 is 30103312111.

It is not a de Polignac number, because 11121330103 - 2⁵ = 11121330071 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 (11121330133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169801 + ... + 225997.

It is an arithmetic number, because the mean of its divisors is an integer number (1004426854).

Almost surely, 2^11121330103 is an apocalyptic number.

11121330103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11121330103 is a deficient number, since it is larger than the sum of its proper divisors (931792145).

11121330103 is a wasteful number, since it uses less digits than its factorization.

11121330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57394 (or 57381 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11121330103 its reverse (30103312111), we get a palindrome (41224642214).

The spelling of 11121330103 in words is "eleven billion, one hundred twenty-one million, three hundred thirty thousand, one hundred three".