11203103442 has 32 divisors (see below), whose sum is σ = 23412759552. Its totient is φ = 3567058704.

The previous prime is 11203103389. The next prime is 11203103449. The reversal of 11203103442 is 24430130211.

11203103442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11203103449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44493 + ... + 156159.

It is an arithmetic number, because the mean of its divisors is an integer number (731648736).

Almost surely, 2^11203103442 is an apocalyptic number.

11203103442 is an abundant number, since it is smaller than the sum of its proper divisors (12209656110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203103442 is a wasteful number, since it uses less digits than its factorization.

11203103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112422.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11203103442 its reverse (24430130211), we get a palindrome (35633233653).

The spelling of 11203103442 in words is "eleven billion, two hundred three million, one hundred three thousand, four hundred forty-two".