22143344111 has 4 divisors (see below), whose sum is σ = 25306678992. Its totient is φ = 18980009232.

The previous prime is 22143343969. The next prime is 22143344117. The reversal of 22143344111 is 11144334122.

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 22143344111 - 2¹⁸ = 22143081967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143344117) 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, 1581667430 + ... + 1581667443.

It is an arithmetic number, because the mean of its divisors is an integer number (6326669748).

Almost surely, 2^22143344111 is an apocalyptic number.

22143344111 is a deficient number, since it is larger than the sum of its proper divisors (3163334881).

22143344111 is an equidigital number, since it uses as much as digits as its factorization.

22143344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163334880.

The product of its digits is 2304, while the sum is 26.

Adding to 22143344111 its reverse (11144334122), we get a palindrome (33287678233).

The spelling of 22143344111 in words is "twenty-two billion, one hundred forty-three million, three hundred forty-four thousand, one hundred eleven".