121022130121 has 2 divisors, whose sum is σ = 121022130122. Its totient is φ = 121022130120.

The previous prime is 121022130079. The next prime is 121022130139. The reversal of 121022130121 is 121031220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80273055625 + 40749074496 = 283325^2 + 201864^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022130121 - 2⁹ = 121022129609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121022130095 and 121022130104.

It is not a weakly prime, because it can be changed into another prime (121022130191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511065060 + 60511065061.

It is an arithmetic number, because the mean of its divisors is an integer number (60511065061).

Almost surely, 2^121022130121 is an apocalyptic number.

It is an amenable number.

121022130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022130121 is an equidigital number, since it uses as much as digits as its factorization.

121022130121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121022130121 its reverse (121031220121), we get a palindrome (242053350242).

The spelling of 121022130121 in words is "one hundred twenty-one billion, twenty-two million, one hundred thirty thousand, one hundred twenty-one".