2121134103 has 24 divisors (see below), whose sum is σ = 3518311680. Its totient is φ = 1217874960.

The previous prime is 2121134087. The next prime is 2121134107. The reversal of 2121134103 is 3014311212.

It is not a de Polignac number, because 2121134103 - 2⁴ = 2121134087 is a prime.

It is a super-2 number, since 2×2121134103² = 8998419765819229218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121134107) 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 23 ways as a sum of consecutive naturals, for example, 561951 + ... + 565712.

It is an arithmetic number, because the mean of its divisors is an integer number (146596320).

Almost surely, 2^2121134103 is an apocalyptic number.

2121134103 is a deficient number, since it is larger than the sum of its proper divisors (1397177577).

2121134103 is a wasteful number, since it uses less digits than its factorization.

2121134103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127699 (or 1127696 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2121134103 is about 46055.7716578498. The cubic root of 2121134103 is about 1284.8606899297.

Adding to 2121134103 its reverse (3014311212), we get a palindrome (5135445315).

The spelling of 2121134103 in words is "two billion, one hundred twenty-one million, one hundred thirty-four thousand, one hundred three".