110111111012 has 24 divisors (see below), whose sum is σ = 224907803904. Its totient is φ = 46186422912.

The previous prime is 110111110987. The next prime is 110111111081. The reversal of 110111111012 is 210111111011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110111110984 and 110111111002.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 41834213 + ... + 41836844.

It is an arithmetic number, because the mean of its divisors is an integer number (9371158496).

Almost surely, 2^110111111012 is an apocalyptic number.

It is an amenable number.

110111111012 is an abundant number, since it is smaller than the sum of its proper divisors (114796692892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110111111012 is a wasteful number, since it uses less digits than its factorization.

110111111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83671115 (or 83671113 counting only the distinct ones).

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

Adding to 110111111012 its reverse (210111111011), we get a palindrome (320222222023).

Subtracting 110111111012 from its reverse (210111111011), we obtain a palindrome (99999999999).

The spelling of 110111111012 in words is "one hundred ten billion, one hundred eleven million, one hundred eleven thousand, twelve".