133310442340021 has 2 divisors, whose sum is σ = 133310442340022. Its totient is φ = 133310442340020.

The previous prime is 133310442340007. The next prime is 133310442340027. The reversal of 133310442340021 is 120043244013331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105622998063025 + 27687444276996 = 10277305^2 + 5261886^2 .

It is a cyclic number.

It is not a de Polignac number, because 133310442340021 - 2¹⁵ = 133310442307253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133310442340027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655221170010 + 66655221170011.

It is an arithmetic number, because the mean of its divisors is an integer number (66655221170011).

Almost surely, 2^{133310442340021} is an apocalyptic number.

It is an amenable number.

133310442340021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133310442340021 is an equidigital number, since it uses as much as digits as its factorization.

133310442340021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 133310442340021 its reverse (120043244013331), we get a palindrome (253353686353352).

The spelling of 133310442340021 in words is "one hundred thirty-three trillion, three hundred ten billion, four hundred forty-two million, three hundred forty thousand, twenty-one".