11124142321 has 16 divisors (see below), whose sum is σ = 11827563840. Its totient is φ = 10426268160.

The previous prime is 11124142301. The next prime is 11124142343. The reversal of 11124142321 is 12324142111.

11124142321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11124142321 - 2⁷ = 11124142193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11124142292 and 11124142301.

It is not an unprimeable number, because it can be changed into a prime (11124142301) 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 15 ways as a sum of consecutive naturals, for example, 8420341 + ... + 8421661.

It is an arithmetic number, because the mean of its divisors is an integer number (739222740).

Almost surely, 2^11124142321 is an apocalyptic number.

It is an amenable number.

11124142321 is a deficient number, since it is larger than the sum of its proper divisors (703421519).

11124142321 is a wasteful number, since it uses less digits than its factorization.

11124142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its digits is 384, while the sum is 22.

Adding to 11124142321 its reverse (12324142111), we get a palindrome (23448284432).

The spelling of 11124142321 in words is "eleven billion, one hundred twenty-four million, one hundred forty-two thousand, three hundred twenty-one".