266321112133 has 2 divisors, whose sum is σ = 266321112134. Its totient is φ = 266321112132.

The previous prime is 266321112097. The next prime is 266321112143. The reversal of 266321112133 is 331211123662.

266321112133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240508833889 + 25812278244 = 490417^2 + 160662^2 .

It is a cyclic number.

It is not a de Polignac number, because 266321112133 - 2¹³ = 266321103941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266321112095 and 266321112104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266321112143) 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 as a sum of consecutive naturals, namely, 133160556066 + 133160556067.

It is an arithmetic number, because the mean of its divisors is an integer number (133160556067).

Almost surely, 2^266321112133 is an apocalyptic number.

It is an amenable number.

266321112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

266321112133 is an equidigital number, since it uses as much as digits as its factorization.

266321112133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

Adding to 266321112133 its reverse (331211123662), we get a palindrome (597532235795).

The spelling of 266321112133 in words is "two hundred sixty-six billion, three hundred twenty-one million, one hundred twelve thousand, one hundred thirty-three".