11223231321 has 8 divisors (see below), whose sum is σ = 14965040160. Its totient is φ = 7481788352.

The previous prime is 11223231307. The next prime is 11223231323. The reversal of 11223231321 is 12313232211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11223231321 - 2²³ = 11214842713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223231323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9360 + ... + 150113.

It is an arithmetic number, because the mean of its divisors is an integer number (1870630020).

Almost surely, 2^11223231321 is an apocalyptic number.

It is an amenable number.

11223231321 is a deficient number, since it is larger than the sum of its proper divisors (3741808839).

11223231321 is a wasteful number, since it uses less digits than its factorization.

11223231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182935.

The product of its digits is 432, while the sum is 21.

Adding to 11223231321 its reverse (12313232211), we get a palindrome (23536463532).

The spelling of 11223231321 in words is "eleven billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-one".