111124444421111 has 24 divisors (see below), whose sum is σ = 124524251480160. Its totient is φ = 99056746451520.

The previous prime is 111124444421093. The next prime is 111124444421131.

111124444421111 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-111124444421111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124444421131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5512166 + ... + 15894428.

It is an arithmetic number, because the mean of its divisors is an integer number (5188510478340).

Almost surely, 2^{111124444421111} is an apocalyptic number.

111124444421111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111124444421111 is a deficient number, since it is larger than the sum of its proper divisors (13399807059049).

111124444421111 is a wasteful number, since it uses less digits than its factorization.

111124444421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384007 (or 10383996 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The spelling of 111124444421111 in words is "one hundred eleven trillion, one hundred twenty-four billion, four hundred forty-four million, four hundred twenty-one thousand, one hundred eleven".