2120314230121 has 2 divisors, whose sum is σ = 2120314230122. Its totient is φ = 2120314230120.

The previous prime is 2120314230119. The next prime is 2120314230187. The reversal of 2120314230121 is 1210324130212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188123980121 + 932190250000 = 1090011^2 + 965500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120314230121 - 2¹ = 2120314230119 is a prime.

Together with 2120314230119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2120314230092 and 2120314230101.

It is not a weakly prime, because it can be changed into another prime (2120314230191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060157115060 + 1060157115061.

It is an arithmetic number, because the mean of its divisors is an integer number (1060157115061).

Almost surely, 2^{2120314230121} is an apocalyptic number.

It is an amenable number.

2120314230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120314230121 is an equidigital number, since it uses as much as digits as its factorization.

2120314230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2120314230121 its reverse (1210324130212), we get a palindrome (3330638360333).

Subtracting from 2120314230121 its reverse (1210324130212), we obtain a palindrome (909990099909).

The spelling of 2120314230121 in words is "two trillion, one hundred twenty billion, three hundred fourteen million, two hundred thirty thousand, one hundred twenty-one".