11120023111 has 2 divisors, whose sum is σ = 11120023112. Its totient is φ = 11120023110.

The previous prime is 11120023097. The next prime is 11120023129. The reversal of 11120023111 is 11132002111.

It is a happy number.

11120023111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120023111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120023091 and 11120023100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120023181) 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, 5560011555 + 5560011556.

It is an arithmetic number, because the mean of its divisors is an integer number (5560011556).

Almost surely, 2^11120023111 is an apocalyptic number.

11120023111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120023111 is an equidigital number, since it uses as much as digits as its factorization.

11120023111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11120023111 its reverse (11132002111), we get a palindrome (22252025222).

The spelling of 11120023111 in words is "eleven billion, one hundred twenty million, twenty-three thousand, one hundred eleven".