11142103103 has 4 divisors (see below), whose sum is σ = 11198662200. Its totient is φ = 11085544008.

The previous prime is 11142103069. The next prime is 11142103121. The reversal of 11142103103 is 30130124111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30130124111 = 1549 ⋅19451339.

It is a cyclic number.

It is not a de Polignac number, because 11142103103 - 2²² = 11137908799 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 (11142103183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28279253 + ... + 28279646.

It is an arithmetic number, because the mean of its divisors is an integer number (2799665550).

Almost surely, 2^11142103103 is an apocalyptic number.

11142103103 is a deficient number, since it is larger than the sum of its proper divisors (56559097).

11142103103 is an equidigital number, since it uses as much as digits as its factorization.

11142103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56559096.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11142103103 its reverse (30130124111), we get a palindrome (41272227214).

The spelling of 11142103103 in words is "eleven billion, one hundred forty-two million, one hundred three thousand, one hundred three".