22111052443 has 4 divisors (see below), whose sum is σ = 22120017640. Its totient is φ = 22102087248.

The previous prime is 22111052441. The next prime is 22111052501. The reversal of 22111052443 is 34425011122.

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 22111052443 - 2¹ = 22111052441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111052441) 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, 4478898 + ... + 4483831.

It is an arithmetic number, because the mean of its divisors is an integer number (5530004410).

Almost surely, 2^22111052443 is an apocalyptic number.

22111052443 is a deficient number, since it is larger than the sum of its proper divisors (8965197).

22111052443 is an equidigital number, since it uses as much as digits as its factorization.

22111052443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965196.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22111052443 its reverse (34425011122), we get a palindrome (56536063565).

The spelling of 22111052443 in words is "twenty-two billion, one hundred eleven million, fifty-two thousand, four hundred forty-three".