111042430111 has 2 divisors, whose sum is σ = 111042430112. Its totient is φ = 111042430110.

The previous prime is 111042430097. The next prime is 111042430139. The reversal of 111042430111 is 111034240111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111042430111 - 2⁹ = 111042429599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111048430111) 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 as a sum of consecutive naturals, namely, 55521215055 + 55521215056.

It is an arithmetic number, because the mean of its divisors is an integer number (55521215056).

Almost surely, 2^111042430111 is an apocalyptic number.

111042430111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042430111 is an equidigital number, since it uses as much as digits as its factorization.

111042430111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111042430111 its reverse (111034240111), we get a palindrome (222076670222).

The spelling of 111042430111 in words is "one hundred eleven billion, forty-two million, four hundred thirty thousand, one hundred eleven".