111110122112 has 96 divisors (see below), whose sum is σ = 257617119060. Its totient is φ = 47533629440.

The previous prime is 111110122103. The next prime is 111110122153. The reversal of 111110122112 is 211221011111.

It can be written as a sum of positive squares in 2 ways, for example, as 109889598016 + 1220524096 = 331496^2 + 34936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52298 + ... + 474294.

Almost surely, 2^111110122112 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 111110122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128808559530).

111110122112 is an abundant number, since it is smaller than the sum of its proper divisors (146506996948).

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

111110122112 is a wasteful number, since it uses less digits than its factorization.

111110122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422050 (or 422027 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111110122112 its reverse (211221011111), we get a palindrome (322331133223).

The spelling of 111110122112 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, one hundred twelve".