133000210205321 has 2 divisors, whose sum is σ = 133000210205322. Its totient is φ = 133000210205320.

The previous prime is 133000210205173. The next prime is 133000210205339. The reversal of 133000210205321 is 123502012000331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84725784124921 + 48274426080400 = 9204661^2 + 6947980^2 .

It is an emirp because it is prime and its reverse (123502012000331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133000210205321 - 2¹⁸ = 133000209943177 is a prime.

It is not a weakly prime, because it can be changed into another prime (133000210205381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500105102660 + 66500105102661.

It is an arithmetic number, because the mean of its divisors is an integer number (66500105102661).

Almost surely, 2^{133000210205321} is an apocalyptic number.

It is an amenable number.

133000210205321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000210205321 is an equidigital number, since it uses as much as digits as its factorization.

133000210205321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 133000210205321 its reverse (123502012000331), we get a palindrome (256502222205652).

The spelling of 133000210205321 in words is "one hundred thirty-three trillion, two hundred ten million, two hundred five thousand, three hundred twenty-one".