223111110012 has 96 divisors (see below), whose sum is σ = 621195681792. Its totient is φ = 60938640576.

The previous prime is 223111110007. The next prime is 223111110023. The reversal of 223111110012 is 210011111322.

It is a super-3 number, since 3×223111110012³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223111109973 and 223111110000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3342153 + ... + 3408255.

It is an arithmetic number, because the mean of its divisors is an integer number (6470788352).

Almost surely, 2^223111110012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223111110012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310597840896).

223111110012 is an abundant number, since it is smaller than the sum of its proper divisors (398084571780).

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

223111110012 is a wasteful number, since it uses less digits than its factorization.

223111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67887 (or 67885 counting only the distinct ones).

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

Adding to 223111110012 its reverse (210011111322), we get a palindrome (433122221334).

The spelling of 223111110012 in words is "two hundred twenty-three billion, one hundred eleven million, one hundred ten thousand, twelve".