133234444411021 has 2 divisors, whose sum is σ = 133234444411022. Its totient is φ = 133234444411020.

The previous prime is 133234444410971. The next prime is 133234444411093. The reversal of 133234444411021 is 120114444432331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106817619938121 + 26416824472900 = 10335261^2 + 5139730^2 .

It is a cyclic number.

It is not a de Polignac number, because 133234444411021 - 2¹⁷ = 133234444279949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133234444411421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66617222205510 + 66617222205511.

It is an arithmetic number, because the mean of its divisors is an integer number (66617222205511).

Almost surely, 2^{133234444411021} is an apocalyptic number.

It is an amenable number.

133234444411021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133234444411021 is an equidigital number, since it uses as much as digits as its factorization.

133234444411021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 133234444411021 its reverse (120114444432331), we get a palindrome (253348888843352).

The spelling of 133234444411021 in words is "one hundred thirty-three trillion, two hundred thirty-four billion, four hundred forty-four million, four hundred eleven thousand, twenty-one".