121322333213 has 2 divisors, whose sum is σ = 121322333214. Its totient is φ = 121322333212.

The previous prime is 121322333189. The next prime is 121322333227. The reversal of 121322333213 is 312333223121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102488339044 + 18833994169 = 320138^2 + 137237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121322333213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121322333113) 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, 60661166606 + 60661166607.

It is an arithmetic number, because the mean of its divisors is an integer number (60661166607).

Almost surely, 2^121322333213 is an apocalyptic number.

It is an amenable number.

121322333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121322333213 is an equidigital number, since it uses as much as digits as its factorization.

121322333213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

Adding to 121322333213 its reverse (312333223121), we get a palindrome (433655556334).

The spelling of 121322333213 in words is "one hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred thirteen".