133220301232321 has 2 divisors, whose sum is σ = 133220301232322. Its totient is φ = 133220301232320.

The previous prime is 133220301232259. The next prime is 133220301232331. The reversal of 133220301232321 is 123232103022331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113740092010000 + 19480209222321 = 10664900^2 + 4413639^2 .

It is a cyclic number.

It is not a de Polignac number, because 133220301232321 - 2¹¹ = 133220301230273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133220301232321.

It is not a weakly prime, because it can be changed into another prime (133220301232331) 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, 66610150616160 + 66610150616161.

It is an arithmetic number, because the mean of its divisors is an integer number (66610150616161).

Almost surely, 2^{133220301232321} is an apocalyptic number.

It is an amenable number.

133220301232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220301232321 is an equidigital number, since it uses as much as digits as its factorization.

133220301232321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133220301232321 its reverse (123232103022331), we get a palindrome (256452404254652).

The spelling of 133220301232321 in words is "one hundred thirty-three trillion, two hundred twenty billion, three hundred one million, two hundred thirty-two thousand, three hundred twenty-one".