11112311103 has 16 divisors (see below), whose sum is σ = 16370055936. Its totient is φ = 6669280640.

The previous prime is 11112311083. The next prime is 11112311113. The reversal of 11112311103 is 30111321111.

It is a cyclic number.

It is not a de Polignac number, because 11112311103 - 2⁶ = 11112311039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112311113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4735533 + ... + 4737878.

It is an arithmetic number, because the mean of its divisors is an integer number (1023128496).

Almost surely, 2^11112311103 is an apocalyptic number.

11112311103 is a deficient number, since it is larger than the sum of its proper divisors (5257744833).

11112311103 is a wasteful number, since it uses less digits than its factorization.

11112311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473454.

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

Adding to 11112311103 its reverse (30111321111), we get a palindrome (41223632214).

The spelling of 11112311103 in words is "eleven billion, one hundred twelve million, three hundred eleven thousand, one hundred three".