2303120302121 has 2 divisors, whose sum is σ = 2303120302122. Its totient is φ = 2303120302120.

The previous prime is 2303120302111. The next prime is 2303120302141. The reversal of 2303120302121 is 1212030213032.

It is an a-pointer prime, because the next prime (2303120302141) can be obtained adding 2303120302121 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2271636768025 + 31483534096 = 1507195^2 + 177436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2303120302121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2303120302093 and 2303120302102.

It is not a weakly prime, because it can be changed into another prime (2303120302111) 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 as a sum of consecutive naturals, namely, 1151560151060 + 1151560151061.

It is an arithmetic number, because the mean of its divisors is an integer number (1151560151061).

Almost surely, 2^{2303120302121} is an apocalyptic number.

It is an amenable number.

2303120302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303120302121 is an equidigital number, since it uses as much as digits as its factorization.

2303120302121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2303120302121 its reverse (1212030213032), we get a palindrome (3515150515153).

The spelling of 2303120302121 in words is "two trillion, three hundred three billion, one hundred twenty million, three hundred two thousand, one hundred twenty-one".