11222322321 has 16 divisors (see below), whose sum is σ = 17135811584. Its totient is φ = 6399581904.

The previous prime is 11222322283. The next prime is 11222322337. The reversal of 11222322321 is 12322322211.

It is not a de Polignac number, because 11222322321 - 2¹⁸ = 11222060177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11222321321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538435 + ... + 558888.

It is an arithmetic number, because the mean of its divisors is an integer number (1070988224).

Almost surely, 2^11222322321 is an apocalyptic number.

It is an amenable number.

11222322321 is a deficient number, since it is larger than the sum of its proper divisors (5913489263).

11222322321 is a wasteful number, since it uses less digits than its factorization.

11222322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097820.

The product of its digits is 576, while the sum is 21.

Adding to 11222322321 its reverse (12322322211), we get a palindrome (23544644532).

The spelling of 11222322321 in words is "eleven billion, two hundred twenty-two million, three hundred twenty-two thousand, three hundred twenty-one".