111044451112 has 96 divisors (see below), whose sum is σ = 261905788800. Its totient is φ = 43837914624.

The previous prime is 111044451079. The next prime is 111044451137. The reversal of 111044451112 is 211154440111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135939 + ... + 490477.

It is an arithmetic number, because the mean of its divisors is an integer number (2728185300).

Almost surely, 2^111044451112 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 111044451112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130952894400).

111044451112 is an abundant number, since it is smaller than the sum of its proper divisors (150861337688).

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

111044451112 is a wasteful number, since it uses less digits than its factorization.

111044451112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354623 (or 354612 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 111044451112 its reverse (211154440111), we get a palindrome (322198891223).

The spelling of 111044451112 in words is "one hundred eleven billion, forty-four million, four hundred fifty-one thousand, one hundred twelve".