110120111111 has 2 divisors, whose sum is σ = 110120111112. Its totient is φ = 110120111110.

The previous prime is 110120111077. The next prime is 110120111113. The reversal of 110120111111 is 111111021011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110120111111 - 2¹⁸ = 110119848967 is a prime.

Together with 110120111113, it forms a pair of twin primes.

It is a Chen prime.

110120111111 is a modest number, since divided by 111111 gives 110120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 110120111092 and 110120111101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110120111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060055555 + 55060055556.

It is an arithmetic number, because the mean of its divisors is an integer number (55060055556).

Almost surely, 2^110120111111 is an apocalyptic number.

110120111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120111111 is an equidigital number, since it uses as much as digits as its factorization.

110120111111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 110120111111 its reverse (111111021011), we get a palindrome (221231132122).

The spelling of 110120111111 in words is "one hundred ten billion, one hundred twenty million, one hundred eleven thousand, one hundred eleven".