2120034103 has 16 divisors (see below), whose sum is σ = 2394957600. Its totient is φ = 1875170880.

The previous prime is 2120034097. The next prime is 2120034127. The reversal of 2120034103 is 3014300212.

It is a happy number.

It is not a de Polignac number, because 2120034103 - 2²⁵ = 2086479671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120034143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27723 + ... + 70771.

It is an arithmetic number, because the mean of its divisors is an integer number (149684850).

Almost surely, 2^2120034103 is an apocalyptic number.

2120034103 is a deficient number, since it is larger than the sum of its proper divisors (274923497).

2120034103 is an equidigital number, since it uses as much as digits as its factorization.

2120034103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43119 (or 43097 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120034103 is about 46043.8280663109. The cubic root of 2120034103 is about 1284.6385460078.

Adding to 2120034103 its reverse (3014300212), we get a palindrome (5134334315).

The spelling of 2120034103 in words is "two billion, one hundred twenty million, thirty-four thousand, one hundred three".