111103444111 has 16 divisors (see below), whose sum is σ = 123306333696. Its totient is φ = 99260140000.

The previous prime is 111103444103. The next prime is 111103444117. The reversal of 111103444111 is 111444301111.

It is a cyclic number.

It is not a de Polignac number, because 111103444111 - 2³ = 111103444103 is a prime.

It is a super-2 number, since 2×111103444111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103444117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14181 + ... + 471601.

It is an arithmetic number, because the mean of its divisors is an integer number (7706645856).

Almost surely, 2^111103444111 is an apocalyptic number.

111103444111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111103444111 is a deficient number, since it is larger than the sum of its proper divisors (12202889585).

111103444111 is a wasteful number, since it uses less digits than its factorization.

111103444111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457814.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 111103444111 its reverse (111444301111), we get a palindrome (222547745222).

The spelling of 111103444111 in words is "one hundred eleven billion, one hundred three million, four hundred forty-four thousand, one hundred eleven".