111011122110112 has 144 divisors (see below), whose sum is σ = 254451304261728. Its totient is φ = 47535792192000.

The previous prime is 111011122110073. The next prime is 111011122110139. The reversal of 111011122110112 is 211011221110111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 11813459398 + ... + 11813468794.

It is an arithmetic number, because the mean of its divisors is an integer number (1767022946262).

Almost surely, 2^{111011122110112} 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 111011122110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127225652130864).

111011122110112 is an abundant number, since it is smaller than the sum of its proper divisors (143440182151616).

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

111011122110112 is a wasteful number, since it uses less digits than its factorization.

111011122110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15019 (or 15004 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111011122110112 its reverse (211011221110111), we get a palindrome (322022343220223).

The spelling of 111011122110112 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, one hundred ten thousand, one hundred twelve".