111120011023 has 6 divisors (see below), whose sum is σ = 129262053696. Its totient is φ = 95245723692.

The previous prime is 111120010997. The next prime is 111120011069. The reversal of 111120011023 is 320110021111.

It is a happy number.

It is not a de Polignac number, because 111120011023 - 2¹⁷ = 111119879951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120010994 and 111120011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120011083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133877615 + ... + 1133877712.

It is an arithmetic number, because the mean of its divisors is an integer number (21543675616).

Almost surely, 2^111120011023 is an apocalyptic number.

111120011023 is a deficient number, since it is larger than the sum of its proper divisors (18142042673).

111120011023 is an equidigital number, since it uses as much as digits as its factorization.

111120011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267755341 (or 2267755334 counting only the distinct ones).

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

Adding to 111120011023 its reverse (320110021111), we get a palindrome (431230032134).

The spelling of 111120011023 in words is "one hundred eleven billion, one hundred twenty million, eleven thousand, twenty-three".