111101120112 has 80 divisors (see below), whose sum is σ = 294865443872. Its totient is φ = 36020920320.

The previous prime is 111101120111. The next prime is 111101120129. The reversal of 111101120112 is 211021101111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6557412 + ... + 6574332.

Almost surely, 2^111101120112 is an apocalyptic number.

111101120112 is a gapful number since it is divisible by the number (12) 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 111101120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147432721936).

111101120112 is an abundant number, since it is smaller than the sum of its proper divisors (183764323760).

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

111101120112 is a wasteful number, since it uses less digits than its factorization.

111101120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20666 (or 20660 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111101120112 its reverse (211021101111), we get a palindrome (322122221223).

The spelling of 111101120112 in words is "one hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred twelve".