11221333321 has 8 divisors (see below), whose sum is σ = 12388942944. Its totient is φ = 10078305120.

The previous prime is 11221333313. The next prime is 11221333339. The reversal of 11221333321 is 12333312211.

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 11221333321 - 2³ = 11221333313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221333292 and 11221333301.

It is not an unprimeable number, because it can be changed into a prime (11221033321) 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, 6144396 + ... + 6146221.

It is an arithmetic number, because the mean of its divisors is an integer number (1548617868).

Almost surely, 2^11221333321 is an apocalyptic number.

11221333321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221333321 is a deficient number, since it is larger than the sum of its proper divisors (1167609623).

11221333321 is a wasteful number, since it uses less digits than its factorization.

11221333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290711.

The product of its digits is 648, while the sum is 22.

Adding to 11221333321 its reverse (12333312211), we get a palindrome (23554645532).

The spelling of 11221333321 in words is "eleven billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-one".