11211324133 has 2 divisors, whose sum is σ = 11211324134. Its totient is φ = 11211324132.

The previous prime is 11211324001. The next prime is 11211324239. The reversal of 11211324133 is 33142311211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11070617089 + 140707044 = 105217^2 + 11862^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211324133 - 2⁹ = 11211323621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211325133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605662066 + 5605662067.

It is an arithmetic number, because the mean of its divisors is an integer number (5605662067).

Almost surely, 2^11211324133 is an apocalyptic number.

It is an amenable number.

11211324133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211324133 is an equidigital number, since it uses as much as digits as its factorization.

11211324133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

Adding to 11211324133 its reverse (33142311211), we get a palindrome (44353635344).

The spelling of 11211324133 in words is "eleven billion, two hundred eleven million, three hundred twenty-four thousand, one hundred thirty-three".