111123022330112 has 144 divisors (see below), whose sum is σ = 249350639408640. Its totient is φ = 49075432243200.

The previous prime is 111123022330091. The next prime is 111123022330121. The reversal of 111123022330112 is 211033220321111.

It is a happy number.

It is an unprimeable number.

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, 3130787 + ... + 15233117.

It is an arithmetic number, because the mean of its divisors is an integer number (1731601662560).

Almost surely, 2^{111123022330112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111123022330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124675319704320).

111123022330112 is an abundant number, since it is smaller than the sum of its proper divisors (138227617078528).

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

111123022330112 is a wasteful number, since it uses less digits than its factorization.

111123022330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102480 (or 12102466 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111123022330112 its reverse (211033220321111), we get a palindrome (322156242651223).

The spelling of 111123022330112 in words is "one hundred eleven trillion, one hundred twenty-three billion, twenty-two million, three hundred thirty thousand, one hundred twelve".