2130303121 has 4 divisors (see below), whose sum is σ = 2130546544. Its totient is φ = 2130059700.

The previous prime is 2130303103. The next prime is 2130303151. The reversal of 2130303121 is 1213030312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2130303121 - 2⁵ = 2130303089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130303095 and 2130303104.

It is not an unprimeable number, because it can be changed into a prime (2130303101) 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 3 ways as a sum of consecutive naturals, for example, 108075 + ... + 126256.

It is an arithmetic number, because the mean of its divisors is an integer number (532636636).

Almost surely, 2^2130303121 is an apocalyptic number.

It is an amenable number.

2130303121 is a deficient number, since it is larger than the sum of its proper divisors (243423).

2130303121 is an equidigital number, since it uses as much as digits as its factorization.

2130303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243422.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2130303121 is about 46155.2068676980. The cubic root of 2130303121 is about 1286.7093827786.

Adding to 2130303121 its reverse (1213030312), we get a palindrome (3343333433).

The spelling of 2130303121 in words is "two billion, one hundred thirty million, three hundred three thousand, one hundred twenty-one".