111123422224 has 20 divisors (see below), whose sum is σ = 215724635820. Its totient is φ = 55452548480.

The previous prime is 111123422191. The next prime is 111123422239. The reversal of 111123422224 is 422224321111.

It can be written as a sum of positive squares in 2 ways, for example, as 102933172224 + 8190250000 = 320832^2 + 90500^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814267 + ... + 6830554.

It is an arithmetic number, because the mean of its divisors is an integer number (10786231791).

Almost surely, 2^111123422224 is an apocalyptic number.

It is an amenable number.

111123422224 is a deficient number, since it is larger than the sum of its proper divisors (104601213596).

111123422224 is a wasteful number, since it uses less digits than its factorization.

111123422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645338 (or 13645332 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 111123422224 its reverse (422224321111), we get a palindrome (533347743335).

The spelling of 111123422224 in words is "one hundred eleven billion, one hundred twenty-three million, four hundred twenty-two thousand, two hundred twenty-four".