221131333223 has 8 divisors (see below), whose sum is σ = 228775240080. Its totient is φ = 213488672320.

The previous prime is 221131333217. The next prime is 221131333259. The reversal of 221131333223 is 322333131122.

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 221131333223 - 2¹² = 221131329127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221131333192 and 221131333201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221131333723) 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, 57011 + ... + 667467.

It is an arithmetic number, because the mean of its divisors is an integer number (28596905010).

Almost surely, 2^221131333223 is an apocalyptic number.

221131333223 is a deficient number, since it is larger than the sum of its proper divisors (7643906857).

221131333223 is a wasteful number, since it uses less digits than its factorization.

221131333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622977.

The product of its digits is 3888, while the sum is 26.

Adding to 221131333223 its reverse (322333131122), we get a palindrome (543464464345).

The spelling of 221131333223 in words is "two hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred twenty-three".