111122031104 has 160 divisors (see below), whose sum is σ = 266958806400. Its totient is φ = 45199687680.

The previous prime is 111122031091. The next prime is 111122031109. The reversal of 111122031104 is 401130221111.

It is not an unprimeable number, because it can be changed into a prime (111122031109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6123164 + ... + 6141284.

It is an arithmetic number, because the mean of its divisors is an integer number (1668492540).

Almost surely, 2^111122031104 is an apocalyptic number.

111122031104 is a gapful number since it is divisible by the number (14) 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 111122031104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133479403200).

111122031104 is an abundant number, since it is smaller than the sum of its proper divisors (155836775296).

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

111122031104 is an equidigital number, since it uses as much as digits as its factorization.

111122031104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18234 (or 18218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111122031104 its reverse (401130221111), we get a palindrome (512252252215).

The spelling of 111122031104 in words is "one hundred eleven billion, one hundred twenty-two million, thirty-one thousand, one hundred four".