111111444422 has 16 divisors (see below), whose sum is σ = 188088339600. Its totient is φ = 48763643040.

The previous prime is 111111444419. The next prime is 111111444461. The reversal of 111111444422 is 224444111111.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111111444391 and 111111444400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87077297 + ... + 87078572.

It is an arithmetic number, because the mean of its divisors is an integer number (11755521225).

Almost surely, 2^111111444422 is an apocalyptic number.

111111444422 is a deficient number, since it is larger than the sum of its proper divisors (76976895178).

111111444422 is a wasteful number, since it uses less digits than its factorization.

111111444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174155911.

The product of its digits is 1024, while the sum is 26.

Adding to 111111444422 its reverse (224444111111), we get a palindrome (335555555533).

The spelling of 111111444422 in words is "one hundred eleven billion, one hundred eleven million, four hundred forty-four thousand, four hundred twenty-two".