133222031231321 has 2 divisors, whose sum is σ = 133222031231322. Its totient is φ = 133222031231320.

The previous prime is 133222031231273. The next prime is 133222031231329. The reversal of 133222031231321 is 123132130222331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133180578271321 + 41452960000 = 11540389^2 + 203600^2 .

It is a cyclic number.

It is not a de Polignac number, because 133222031231321 - 2⁶ = 133222031231257 is a prime.

It is a super-2 number, since 2×133222031231321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133222031231329) 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, 66611015615660 + 66611015615661.

It is an arithmetic number, because the mean of its divisors is an integer number (66611015615661).

Almost surely, 2^{133222031231321} is an apocalyptic number.

It is an amenable number.

133222031231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133222031231321 is an equidigital number, since it uses as much as digits as its factorization.

133222031231321 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 29.

Adding to 133222031231321 its reverse (123132130222331), we get a palindrome (256354161453652).

The spelling of 133222031231321 in words is "one hundred thirty-three trillion, two hundred twenty-two billion, thirty-one million, two hundred thirty-one thousand, three hundred twenty-one".