11023122321 has 24 divisors (see below), whose sum is σ = 16441291776. Its totient is φ = 7109363520.

The previous prime is 11023122287. The next prime is 11023122329. The reversal of 11023122321 is 12322132011.

11023122321 is a `hidden beast` number, since 110 + 231 + 2 + 2 + 321 = 666.

11023122321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11023122321 - 2⁷ = 11023122193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11023122294 and 11023122303.

It is not an unprimeable number, because it can be changed into a prime (11023122329) 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 23 ways as a sum of consecutive naturals, for example, 1375101 + ... + 1383093.

It is an arithmetic number, because the mean of its divisors is an integer number (685053824).

Almost surely, 2^11023122321 is an apocalyptic number.

It is an amenable number.

11023122321 is a deficient number, since it is larger than the sum of its proper divisors (5418169455).

11023122321 is a wasteful number, since it uses less digits than its factorization.

11023122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11023122321 its reverse (12322132011), we get a palindrome (23345254332).

The spelling of 11023122321 in words is "eleven billion, twenty-three million, one hundred twenty-two thousand, three hundred twenty-one".