11122133321 has 4 divisors (see below), whose sum is σ = 11977682052. Its totient is φ = 10266584592.

The previous prime is 11122133293. The next prime is 11122133327. The reversal of 11122133321 is 12333122111.

It is a happy number.

11122133321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4624000000 + 6498133321 = 68000^2 + 80611^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122133321 - 2²² = 11117939017 is a prime.

It is a super-2 number, since 2×11122133321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122133293 and 11122133302.

It is not an unprimeable number, because it can be changed into a prime (11122133327) 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 in 3 ways as a sum of consecutive naturals, for example, 427774346 + ... + 427774371.

It is an arithmetic number, because the mean of its divisors is an integer number (2994420513).

Almost surely, 2^11122133321 is an apocalyptic number.

It is an amenable number.

11122133321 is a deficient number, since it is larger than the sum of its proper divisors (855548731).

11122133321 is an equidigital number, since it uses as much as digits as its factorization.

11122133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855548730.

The product of its digits is 216, while the sum is 20.

Adding to 11122133321 its reverse (12333122111), we get a palindrome (23455255432).

The spelling of 11122133321 in words is "eleven billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred twenty-one".