111440013224 has 8 divisors (see below), whose sum is σ = 208950024810. Its totient is φ = 55720006608.

The previous prime is 111440013109. The next prime is 111440013229. The reversal of 111440013224 is 422310044111.

It can be written as a sum of positive squares in only one way, i.e., 109925402500 + 1514610724 = 331550^2 + 38918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 111440013224.

It is not an unprimeable number, because it can be changed into a prime (111440013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965000819 + ... + 6965000834.

Almost surely, 2^111440013224 is an apocalyptic number.

It is an amenable number.

111440013224 is a deficient number, since it is larger than the sum of its proper divisors (97510011586).

111440013224 is a wasteful number, since it uses less digits than its factorization.

111440013224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930001659 (or 13930001655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111440013224 its reverse (422310044111), we get a palindrome (533750057335).

The spelling of 111440013224 in words is "one hundred eleven billion, four hundred forty million, thirteen thousand, two hundred twenty-four".