221113332211 has 8 divisors (see below), whose sum is σ = 221379912864. Its totient is φ = 220846825920.

The previous prime is 221113332199. The next prime is 221113332241. The reversal of 221113332211 is 112233311122.

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 221113332211 - 2¹⁵ = 221113299443 is a prime.

It is a super-2 number, since 2×221113332211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (221113332241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7906425 + ... + 7934341.

It is an arithmetic number, because the mean of its divisors is an integer number (27672489108).

Almost surely, 2^221113332211 is an apocalyptic number.

221113332211 is a deficient number, since it is larger than the sum of its proper divisors (266580653).

221113332211 is an equidigital number, since it uses as much as digits as its factorization.

221113332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37181.

The product of its digits is 432, while the sum is 22.

Adding to 221113332211 its reverse (112233311122), we get a palindrome (333346643333).

The spelling of 221113332211 in words is "two hundred twenty-one billion, one hundred thirteen million, three hundred thirty-two thousand, two hundred eleven".