221233311343 has 16 divisors (see below), whose sum is σ = 247458651552. Its totient is φ = 196035840000.

The previous prime is 221233311337. The next prime is 221233311413. The reversal of 221233311343 is 343113332122.

221233311343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221233311343 - 2⁵ = 221233311311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221233312343) 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, 268543 + ... + 717343.

It is an arithmetic number, because the mean of its divisors is an integer number (15466165722).

Almost surely, 2^221233311343 is an apocalyptic number.

221233311343 is a deficient number, since it is larger than the sum of its proper divisors (26225340209).

221233311343 is a wasteful number, since it uses less digits than its factorization.

221233311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449946.

The product of its digits is 7776, while the sum is 28.

Adding to 221233311343 its reverse (343113332122), we get a palindrome (564346643465).

The spelling of 221233311343 in words is "two hundred twenty-one billion, two hundred thirty-three million, three hundred eleven thousand, three hundred forty-three".