111113222232 has 128 divisors (see below), whose sum is σ = 316804435200. Its totient is φ = 32256258048.

The previous prime is 111113222197. The next prime is 111113222279. The reversal of 111113222232 is 232222311111.

It is a super-2 number, since 2×111113222232² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111113222199 and 111113222208.

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, 166668 + ... + 500004.

It is an arithmetic number, because the mean of its divisors is an integer number (2475034650).

Almost surely, 2^111113222232 is an apocalyptic number.

111113222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 333336×333337.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111113222232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158402217600).

111113222232 is an abundant number, since it is smaller than the sum of its proper divisors (205691212968).

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

111113222232 is a wasteful number, since it uses less digits than its factorization.

111113222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333425 (or 333421 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 111113222232 its reverse (232222311111), we get a palindrome (343335533343).

The spelling of 111113222232 in words is "one hundred eleven billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred thirty-two".