2103021042 has 32 divisors (see below), whose sum is σ = 4446801600. Its totient is φ = 661203648.

The previous prime is 2103020999. The next prime is 2103021071. The reversal of 2103021042 is 2401203012.

It is an unprimeable number.

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, 14173 + ... + 66384.

It is an arithmetic number, because the mean of its divisors is an integer number (138962550).

Almost surely, 2^2103021042 is an apocalyptic number.

2103021042 is an abundant number, since it is smaller than the sum of its proper divisors (2343780558).

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

2103021042 is a wasteful number, since it uses less digits than its factorization.

2103021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80810.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2103021042 is about 45858.7073738456. The cubic root of 2103021042 is about 1281.1929474909.

Adding to 2103021042 its reverse (2401203012), we get a palindrome (4504224054).

The spelling of 2103021042 in words is "two billion, one hundred three million, twenty-one thousand, forty-two".