110611111111 has 2 divisors, whose sum is σ = 110611111112. Its totient is φ = 110611111110.

The previous prime is 110611111109. The next prime is 110611111157. The reversal of 110611111111 is 111111116011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110611111111 - 2¹ = 110611111109 is a prime.

Together with 110611111109, it forms a pair of twin primes.

110611111111 is a modest number, since divided by 111111 gives 110611 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110611111211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55305555555 + 55305555556.

It is an arithmetic number, because the mean of its divisors is an integer number (55305555556).

Almost surely, 2^110611111111 is an apocalyptic number.

110611111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

110611111111 is an equidigital number, since it uses as much as digits as its factorization.

110611111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 16.

Adding to 110611111111 its reverse (111111116011), we get a palindrome (221722227122).

The spelling of 110611111111 in words is "one hundred ten billion, six hundred eleven million, one hundred eleven thousand, one hundred eleven".