111004111111 has 2 divisors, whose sum is σ = 111004111112. Its totient is φ = 111004111110.

The previous prime is 111004111091. The next prime is 111004111117. The reversal of 111004111111 is 111111400111.

It is a strong prime.

It is an emirp because it is prime and its reverse (111111400111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111004111111 - 2⁷ = 111004110983 is a prime.

111004111111 is a modest number, since divided by 111111 gives 111004 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 111004111091 and 111004111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111004111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502055555 + 55502055556.

It is an arithmetic number, because the mean of its divisors is an integer number (55502055556).

Almost surely, 2^111004111111 is an apocalyptic number.

111004111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111004111111 is an equidigital number, since it uses as much as digits as its factorization.

111004111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111004111111 its reverse (111111400111), we get a palindrome (222115511222).

The spelling of 111004111111 in words is "one hundred eleven billion, four million, one hundred eleven thousand, one hundred eleven".