11321020133 has 2 divisors, whose sum is σ = 11321020134. Its totient is φ = 11321020132.

The previous prime is 11321020111. The next prime is 11321020153. The reversal of 11321020133 is 33102012311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5957215489 + 5363804644 = 77183^2 + 73238^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321020133 - 2¹² = 11321016037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321020153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660510066 + 5660510067.

It is an arithmetic number, because the mean of its divisors is an integer number (5660510067).

Almost surely, 2^11321020133 is an apocalyptic number.

It is an amenable number.

11321020133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321020133 is an equidigital number, since it uses as much as digits as its factorization.

11321020133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11321020133 its reverse (33102012311), we get a palindrome (44423032444).

The spelling of 11321020133 in words is "eleven billion, three hundred twenty-one million, twenty thousand, one hundred thirty-three".