111242142043 has 8 divisors (see below), whose sum is σ = 112832165376. Its totient is φ = 109652764200.

The previous prime is 111242142041. The next prime is 111242142103. The reversal of 111242142043 is 340241242111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111242142043 - 2¹ = 111242142041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111242141999 and 111242142017.

It is not an unprimeable number, because it can be changed into a prime (111242142041) 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 7 ways as a sum of consecutive naturals, for example, 191230 + ... + 508972.

It is an arithmetic number, because the mean of its divisors is an integer number (14104020672).

Almost surely, 2^111242142043 is an apocalyptic number.

111242142043 is a deficient number, since it is larger than the sum of its proper divisors (1590023333).

111242142043 is an equidigital number, since it uses as much as digits as its factorization.

111242142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322745.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111242142043 its reverse (340241242111), we get a palindrome (451483384154).

The spelling of 111242142043 in words is "one hundred eleven billion, two hundred forty-two million, one hundred forty-two thousand, forty-three".