111111440241 has 64 divisors (see below), whose sum is σ = 167365785600. Its totient is φ = 65154087936.

The previous prime is 111111440177. The next prime is 111111440243. The reversal of 111111440241 is 142044111111.

It is not a de Polignac number, because 111111440241 - 2⁶ = 111111440177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111111440243) 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 63 ways as a sum of consecutive naturals, for example, 27644530 + ... + 27648548.

It is an arithmetic number, because the mean of its divisors is an integer number (2615090400).

Almost surely, 2^111111440241 is an apocalyptic number.

It is an amenable number.

111111440241 is a deficient number, since it is larger than the sum of its proper divisors (56254345359).

111111440241 is a wasteful number, since it uses less digits than its factorization.

111111440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111111440241 its reverse (142044111111), we get a palindrome (253155551352).

The spelling of 111111440241 in words is "one hundred eleven billion, one hundred eleven million, four hundred forty thousand, two hundred forty-one".