2103120203 has 8 divisors (see below), whose sum is σ = 2234502720. Its totient is φ = 1973806920.

The previous prime is 2103120193. The next prime is 2103120221. The reversal of 2103120203 is 3020213012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103120203 - 2¹² = 2103116107 is a prime.

It is a super-2 number, since 2×2103120203² = 8846229176533522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103123203) 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 7 ways as a sum of consecutive naturals, for example, 515213 + ... + 519278.

It is an arithmetic number, because the mean of its divisors is an integer number (279312840).

Almost surely, 2^2103120203 is an apocalyptic number.

2103120203 is a deficient number, since it is larger than the sum of its proper divisors (131382517).

2103120203 is a wasteful number, since it uses less digits than its factorization.

2103120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034617.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2103120203 is about 45859.7885189193. The cubic root of 2103120203 is about 1281.2130839794.

Adding to 2103120203 its reverse (3020213012), we get a palindrome (5123333215).

The spelling of 2103120203 in words is "two billion, one hundred three million, one hundred twenty thousand, two hundred three".