1111111382112 has 96 divisors (see below), whose sum is σ = 2987300574720. Its totient is φ = 361417351680.

The previous prime is 1111111382111. The next prime is 1111111382159. The reversal of 1111111382112 is 2112831111111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111111382111) 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, 4286937 + ... + 4538727.

It is an arithmetic number, because the mean of its divisors is an integer number (31117714320).

Almost surely, 2^{1111111382112} is an apocalyptic number.

1111111382112 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 1111111382112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493650287360).

1111111382112 is an abundant number, since it is smaller than the sum of its proper divisors (1876189192608).

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

1111111382112 is a wasteful number, since it uses less digits than its factorization.

1111111382112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252916 (or 252908 counting only the distinct ones).

The product of its digits is 96, while the sum is 24.

Adding to 1111111382112 its reverse (2112831111111), we get a palindrome (3223942493223).

The spelling of 1111111382112 in words is "one trillion, one hundred eleven billion, one hundred eleven million, three hundred eighty-two thousand, one hundred twelve".