1111103042 has 16 divisors (see below), whose sum is σ = 1970429760. Its totient is φ = 459766608.

The previous prime is 1111103041. The next prime is 1111103047. The reversal of 1111103042 is 2403011111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1111103041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367948 + ... + 1368759.

It is an arithmetic number, because the mean of its divisors is an integer number (123151860).

Almost surely, 2^1111103042 is an apocalyptic number.

1111103042 is a deficient number, since it is larger than the sum of its proper divisors (859326718).

1111103042 is a wasteful number, since it uses less digits than its factorization.

1111103042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736745.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1111103042 is about 33333.2122964469. The cubic root of 1111103042 is about 1035.7416613848.

Adding to 1111103042 its reverse (2403011111), we get a palindrome (3514114153).

The spelling of 1111103042 in words is "one billion, one hundred eleven million, one hundred three thousand, forty-two".