11133301321 has 4 divisors (see below), whose sum is σ = 11285812372. Its totient is φ = 10980790272.

The previous prime is 11133301261. The next prime is 11133301349. The reversal of 11133301321 is 12310333111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12310333111 = 19 ⋅647912269.

It can be written as a sum of positive squares in 2 ways, for example, as 5526286921 + 5607014400 = 74339^2 + 74880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133301321 - 2¹¹ = 11133299273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133301381) 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, 76255416 + ... + 76255561.

It is an arithmetic number, because the mean of its divisors is an integer number (2821453093).

Almost surely, 2^11133301321 is an apocalyptic number.

It is an amenable number.

11133301321 is a deficient number, since it is larger than the sum of its proper divisors (152511051).

11133301321 is an equidigital number, since it uses as much as digits as its factorization.

11133301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152511050.

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

Adding to 11133301321 its reverse (12310333111), we get a palindrome (23443634432).

The spelling of 11133301321 in words is "eleven billion, one hundred thirty-three million, three hundred one thousand, three hundred twenty-one".