11203320133 has 2 divisors, whose sum is σ = 11203320134. Its totient is φ = 11203320132.

The previous prime is 11203320131. The next prime is 11203320143. The reversal of 11203320133 is 33102330211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10643429889 + 559890244 = 103167^2 + 23662^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203320133 - 2¹ = 11203320131 is a prime.

Together with 11203320131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11203320133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203320131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601660066 + 5601660067.

It is an arithmetic number, because the mean of its divisors is an integer number (5601660067).

Almost surely, 2^11203320133 is an apocalyptic number.

It is an amenable number.

11203320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203320133 is an equidigital number, since it uses as much as digits as its factorization.

11203320133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11203320133 its reverse (33102330211), we get a palindrome (44305650344).

The spelling of 11203320133 in words is "eleven billion, two hundred three million, three hundred twenty thousand, one hundred thirty-three".