133320300221 has 4 divisors (see below), whose sum is σ = 133997053212. Its totient is φ = 132643547232.

The previous prime is 133320300203. The next prime is 133320300277. The reversal of 133320300221 is 122003023331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116468625625 + 16851674596 = 341275^2 + 129814^2 .

It is a cyclic number.

It is not a de Polignac number, because 133320300221 - 2³⁰ = 132246558397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133320300193 and 133320300202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338376200 + ... + 338376593.

It is an arithmetic number, because the mean of its divisors is an integer number (33499263303).

Almost surely, 2^133320300221 is an apocalyptic number.

It is an amenable number.

133320300221 is a deficient number, since it is larger than the sum of its proper divisors (676752991).

133320300221 is an equidigital number, since it uses as much as digits as its factorization.

133320300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676752990.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133320300221 its reverse (122003023331), we get a palindrome (255323323552).

The spelling of 133320300221 in words is "one hundred thirty-three billion, three hundred twenty million, three hundred thousand, two hundred twenty-one".