133301223203021 has 2 divisors, whose sum is σ = 133301223203022. Its totient is φ = 133301223203020.

The previous prime is 133301223203009. The next prime is 133301223203039. The reversal of 133301223203021 is 120302322103331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132834522448996 + 466700754025 = 11525386^2 + 683155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133301223203021 is a prime.

It is a super-2 number, since 2×133301223203021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133301223203051) 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, 66650611601510 + 66650611601511.

It is an arithmetic number, because the mean of its divisors is an integer number (66650611601511).

Almost surely, 2^{133301223203021} is an apocalyptic number.

It is an amenable number.

133301223203021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133301223203021 is an equidigital number, since it uses as much as digits as its factorization.

133301223203021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133301223203021 its reverse (120302322103331), we get a palindrome (253603545306352).

The spelling of 133301223203021 in words is "one hundred thirty-three trillion, three hundred one billion, two hundred twenty-three million, two hundred three thousand, twenty-one".