11013222321 has 16 divisors (see below), whose sum is σ = 16352733120. Its totient is φ = 7325566560.

The previous prime is 11013222317. The next prime is 11013222349. The reversal of 11013222321 is 12322231011.

11013222321 is a `hidden beast` number, since 110 + 1 + 322 + 232 + 1 = 666.

It is not a de Polignac number, because 11013222321 - 2² = 11013222317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11013222294 and 11013222303.

It is not an unprimeable number, because it can be changed into a prime (11013222361) 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, 448420 + ... + 472341.

It is an arithmetic number, because the mean of its divisors is an integer number (1022045820).

Almost surely, 2^11013222321 is an apocalyptic number.

It is an amenable number.

11013222321 is a deficient number, since it is larger than the sum of its proper divisors (5339510799).

11013222321 is an equidigital number, since it uses as much as digits as its factorization.

11013222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921213 (or 921207 counting only the distinct ones).

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

Adding to 11013222321 its reverse (12322231011), we get a palindrome (23335453332).

The spelling of 11013222321 in words is "eleven billion, thirteen million, two hundred twenty-two thousand, three hundred twenty-one".