3221243111443 has 4 divisors (see below), whose sum is σ = 3681420698800. Its totient is φ = 2761065524088.

The previous prime is 3221243111393. The next prime is 3221243111479. The reversal of 3221243111443 is 3441113421223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221243111443 - 2²⁵ = 3221209557011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221243114443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230088793668 + ... + 230088793681.

It is an arithmetic number, because the mean of its divisors is an integer number (920355174700).

Almost surely, 2^{3221243111443} is an apocalyptic number.

3221243111443 is a deficient number, since it is larger than the sum of its proper divisors (460177587357).

3221243111443 is an equidigital number, since it uses as much as digits as its factorization.

3221243111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460177587356.

The product of its digits is 13824, while the sum is 31.

Adding to 3221243111443 its reverse (3441113421223), we get a palindrome (6662356532666).

The spelling of 3221243111443 in words is "three trillion, two hundred twenty-one billion, two hundred forty-three million, one hundred eleven thousand, four hundred forty-three".