111102222 has 64 divisors (see below), whose sum is σ = 279894528. Its totient is φ = 28560000.

The previous prime is 111102221. The next prime is 111102227. The reversal of 111102222 is 222201111.

It is a junction number, because it is equal to n+sod(n) for n = 111102198 and 111102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45472 + ... + 47852.

It is an arithmetic number, because the mean of its divisors is an integer number (4373352).

Almost surely, 2^111102222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139947264).

111102222 is an abundant number, since it is smaller than the sum of its proper divisors (168792306).

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

111102222 is a wasteful number, since it uses less digits than its factorization.

111102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111102222 is about 10540.5038778988. The cubic root of 111102222 is about 480.7370361106.

Adding to 111102222 its reverse (222201111), we get a palindrome (333303333).

The spelling of 111102222 in words is "one hundred eleven million, one hundred two thousand, two hundred twenty-two".