111042240111 has 24 divisors (see below), whose sum is σ = 179044859136. Its totient is φ = 65733247440.

The previous prime is 111042240107. The next prime is 111042240119.

111042240111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111042240111 - 2² = 111042240107 is a prime.

It is a super-4 number, since 4×111042240111⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111042240119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13038055 + ... + 13046568.

It is an arithmetic number, because the mean of its divisors is an integer number (7460202464).

Almost surely, 2^111042240111 is an apocalyptic number.

111042240111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111042240111 is a deficient number, since it is larger than the sum of its proper divisors (68002619025).

111042240111 is a wasteful number, since it uses less digits than its factorization.

111042240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26084683 (or 26084680 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 111042 and 240111, that added together give a palindrome (351153).

The spelling of 111042240111 in words is "one hundred eleven billion, forty-two million, two hundred forty thousand, one hundred eleven".