11112133321 has 2 divisors, whose sum is σ = 11112133322. Its totient is φ = 11112133320.

The previous prime is 11112133301. The next prime is 11112133367. The reversal of 11112133321 is 12333121111.

11112133321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10985345721 + 126787600 = 104811^2 + 11260^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112133321 - 2¹¹ = 11112131273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556066660 + 5556066661.

It is an arithmetic number, because the mean of its divisors is an integer number (5556066661).

Almost surely, 2^11112133321 is an apocalyptic number.

It is an amenable number.

11112133321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112133321 is an equidigital number, since it uses as much as digits as its factorization.

11112133321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

Adding to 11112133321 its reverse (12333121111), we get a palindrome (23445254432).

The spelling of 11112133321 in words is "eleven billion, one hundred twelve million, one hundred thirty-three thousand, three hundred twenty-one".