223111110112 has 144 divisors (see below), whose sum is σ = 499059138816. Its totient is φ = 98053894400.

The previous prime is 223111110083. The next prime is 223111110119. The reversal of 223111110112 is 211011111322.

It is a happy number.

It is a super-3 number, since 3×223111110112³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223111110119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15097287 + ... + 15112057.

It is an arithmetic number, because the mean of its divisors is an integer number (3465688464).

Almost surely, 2^223111110112 is an apocalyptic number.

223111110112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223111110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249529569408).

223111110112 is an abundant number, since it is smaller than the sum of its proper divisors (275948028704).

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

223111110112 is a wasteful number, since it uses less digits than its factorization.

223111110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14933 (or 14914 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 223111110112 its reverse (211011111322), we get a palindrome (434122221434).

The spelling of 223111110112 in words is "two hundred twenty-three billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".