11301321133 has 4 divisors (see below), whose sum is σ = 11305526620. Its totient is φ = 11297115648.

The previous prime is 11301321113. The next prime is 11301321167. The reversal of 11301321133 is 33112310311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33112310311 = 1697 ⋅19512263.

It can be written as a sum of positive squares in 2 ways, for example, as 423248329 + 10878072804 = 20573^2 + 104298^2 .

It is a cyclic number.

It is not a de Polignac number, because 11301321133 - 2⁹ = 11301320621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11301321133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301321113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098710 + ... + 2104087.

It is an arithmetic number, because the mean of its divisors is an integer number (2826381655).

Almost surely, 2^11301321133 is an apocalyptic number.

It is an amenable number.

11301321133 is a deficient number, since it is larger than the sum of its proper divisors (4205487).

11301321133 is an equidigital number, since it uses as much as digits as its factorization.

11301321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205486.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11301321133 its reverse (33112310311), we get a palindrome (44413631444).

The spelling of 11301321133 in words is "eleven billion, three hundred one million, three hundred twenty-one thousand, one hundred thirty-three".