2302132121 has 4 divisors (see below), whose sum is σ = 2310325044. Its totient is φ = 2293939200.

The previous prime is 2302132081. The next prime is 2302132139. The reversal of 2302132121 is 1212312032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1994515600 + 307616521 = 44660^2 + 17539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2302132121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2302132121.

It is not an unprimeable number, because it can be changed into a prime (2302132141) 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, 4096040 + ... + 4096601.

It is an arithmetic number, because the mean of its divisors is an integer number (577581261).

Almost surely, 2^2302132121 is an apocalyptic number.

It is an amenable number.

2302132121 is a deficient number, since it is larger than the sum of its proper divisors (8192923).

2302132121 is an equidigital number, since it uses as much as digits as its factorization.

2302132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192922.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2302132121 is about 47980.5389819664. The cubic root of 2302132121 is about 1320.4138817318.

Adding to 2302132121 its reverse (1212312032), we get a palindrome (3514444153).

The spelling of 2302132121 in words is "two billion, three hundred two million, one hundred thirty-two thousand, one hundred twenty-one".