221313221233 has 16 divisors (see below), whose sum is σ = 241735366656. Its totient is φ = 201377494080.

The previous prime is 221313221201. The next prime is 221313221279. The reversal of 221313221233 is 332122313122.

221313221233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221313221233 - 2⁵ = 221313221201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221313221198 and 221313221207.

It is not an unprimeable number, because it can be changed into a prime (221313221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539191 + ... + 6572947.

It is an arithmetic number, because the mean of its divisors is an integer number (15108460416).

Almost surely, 2^221313221233 is an apocalyptic number.

It is an amenable number.

221313221233 is a deficient number, since it is larger than the sum of its proper divisors (20422145423).

221313221233 is a wasteful number, since it uses less digits than its factorization.

221313221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40944.

The product of its digits is 2592, while the sum is 25.

Adding to 221313221233 its reverse (332122313122), we get a palindrome (553435534355).

The spelling of 221313221233 in words is "two hundred twenty-one billion, three hundred thirteen million, two hundred twenty-one thousand, two hundred thirty-three".