111424043111 has 2 divisors, whose sum is σ = 111424043112. Its totient is φ = 111424043110.

The previous prime is 111424043063. The next prime is 111424043123. The reversal of 111424043111 is 111340424111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111424043111 - 2³⁴ = 94244173927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111424043141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55712021555 + 55712021556.

It is an arithmetic number, because the mean of its divisors is an integer number (55712021556).

Almost surely, 2^111424043111 is an apocalyptic number.

111424043111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111424043111 is an equidigital number, since it uses as much as digits as its factorization.

111424043111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 111424043111 its reverse (111340424111), we get a palindrome (222764467222).

The spelling of 111424043111 in words is "one hundred eleven billion, four hundred twenty-four million, forty-three thousand, one hundred eleven".