22111042344143 has 4 divisors (see below), whose sum is σ = 22113585898488. Its totient is φ = 22108498789800.

The previous prime is 22111042344133. The next prime is 22111042344199. The reversal of 22111042344143 is 34144324011122.

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 22111042344143 - 2¹² = 22111042340047 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 (22111042344133) 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 3 ways as a sum of consecutive naturals, for example, 1271764133 + ... + 1271781518.

It is an arithmetic number, because the mean of its divisors is an integer number (5528396474622).

Almost surely, 2^{22111042344143} is an apocalyptic number.

22111042344143 is a deficient number, since it is larger than the sum of its proper divisors (2543554345).

22111042344143 is an equidigital number, since it uses as much as digits as its factorization.

22111042344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543554344.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 22111042344143 its reverse (34144324011122), we get a palindrome (56255366355265).

The spelling of 22111042344143 in words is "twenty-two trillion, one hundred eleven billion, forty-two million, three hundred forty-four thousand, one hundred forty-three".