111223002222 has 24 divisors (see below), whose sum is σ = 241109613576. Its totient is φ = 37054881456.

The previous prime is 111223002151. The next prime is 111223002223. The reversal of 111223002222 is 222200322111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111223002195 and 111223002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585773 + ... + 1654424.

It is an arithmetic number, because the mean of its divisors is an integer number (10046233899).

Almost surely, 2^111223002222 is an apocalyptic number.

111223002222 is an abundant number, since it is smaller than the sum of its proper divisors (129886611354).

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

111223002222 is a wasteful number, since it uses less digits than its factorization.

111223002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242112 (or 3242109 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 111223002222 its reverse (222200322111), we get a palindrome (333423324333).

The spelling of 111223002222 in words is "one hundred eleven billion, two hundred twenty-three million, two thousand, two hundred twenty-two".