111110223012 has 12 divisors (see below), whose sum is σ = 259257187056. Its totient is φ = 37036741000.

The previous prime is 111110223011. The next prime is 111110223013. The reversal of 111110223012 is 210322011111.

It is an interprime number because it is at equal distance from previous prime (111110223011) and next prime (111110223013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111110222982 and 111110223000.

It is not an unprimeable number, because it can be changed into a prime (111110223011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629592614 + ... + 4629592637.

It is an arithmetic number, because the mean of its divisors is an integer number (21604765588).

Almost surely, 2^111110223012 is an apocalyptic number.

111110223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110223012 is an abundant number, since it is smaller than the sum of its proper divisors (148146964044).

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

111110223012 is a wasteful number, since it uses less digits than its factorization.

111110223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259185258 (or 9259185256 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111110223012 its reverse (210322011111), we get a palindrome (321432234123).

The spelling of 111110223012 in words is "one hundred eleven billion, one hundred ten million, two hundred twenty-three thousand, twelve".