2103112042 has 32 divisors (see below), whose sum is σ = 3427310592. Its totient is φ = 965188224.

The previous prime is 2103111949. The next prime is 2103112049. The reversal of 2103112042 is 2402113012.

It is a super-2 number, since 2×2103112042² = 8846160522410819528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103112049) 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, 115783 + ... + 132709.

It is an arithmetic number, because the mean of its divisors is an integer number (107103456).

Almost surely, 2^2103112042 is an apocalyptic number.

2103112042 is a deficient number, since it is larger than the sum of its proper divisors (1324198550).

2103112042 is a wasteful number, since it uses less digits than its factorization.

2103112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2103112042 is about 45859.6995411004. The cubic root of 2103112042 is about 1281.2114267602.

Adding to 2103112042 its reverse (2402113012), we get a palindrome (4505225054).

The spelling of 2103112042 in words is "two billion, one hundred three million, one hundred twelve thousand, forty-two".