11113111103 has 16 divisors (see below), whose sum is σ = 11307795072. Its totient is φ = 10920420000.

The previous prime is 11113111091. The next prime is 11113111109. The reversal of 11113111103 is 30111131111.

It is a cyclic number.

It is not a de Polignac number, because 11113111103 - 2²⁰ = 11112062527 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 (11113111109) 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 15 ways as a sum of consecutive naturals, for example, 13702568 + ... + 13703378.

It is an arithmetic number, because the mean of its divisors is an integer number (706737192).

Almost surely, 2^11113111103 is an apocalyptic number.

11113111103 is a deficient number, since it is larger than the sum of its proper divisors (194683969).

11113111103 is a wasteful number, since it uses less digits than its factorization.

11113111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 11113111103 its reverse (30111131111), we get a palindrome (41224242214).

The spelling of 11113111103 in words is "eleven billion, one hundred thirteen million, one hundred eleven thousand, one hundred three".