133001221103221 has 2 divisors, whose sum is σ = 133001221103222. Its totient is φ = 133001221103220.

The previous prime is 133001221103183. The next prime is 133001221103227. The reversal of 133001221103221 is 122301122100331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121456930562500 + 11544290540721 = 11020750^2 + 3397689^2 .

It is a cyclic number.

It is not a de Polignac number, because 133001221103221 - 2³⁹ = 132451465289333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133001221103192 and 133001221103201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133001221103227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500610551610 + 66500610551611.

It is an arithmetic number, because the mean of its divisors is an integer number (66500610551611).

Almost surely, 2^{133001221103221} is an apocalyptic number.

It is an amenable number.

133001221103221 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001221103221 is an equidigital number, since it uses as much as digits as its factorization.

133001221103221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 133001221103221 its reverse (122301122100331), we get a palindrome (255302343203552).

The spelling of 133001221103221 in words is "one hundred thirty-three trillion, one billion, two hundred twenty-one million, one hundred three thousand, two hundred twenty-one".