1113122132112 has 80 divisors (see below), whose sum is σ = 2971349250048. Its totient is φ = 358705902720.

The previous prime is 1113122132107. The next prime is 1113122132149. The reversal of 1113122132112 is 2112312213111.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082203 + ... + 1843205.

Almost surely, 2^{1113122132112} is an apocalyptic number.

1113122132112 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 1113122132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485674625024).

1113122132112 is an abundant number, since it is smaller than the sum of its proper divisors (1858227117936).

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

1113122132112 is a wasteful number, since it uses less digits than its factorization.

1113122132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762028 (or 762022 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

Adding to 1113122132112 its reverse (2112312213111), we get a palindrome (3225434345223).

The spelling of 1113122132112 in words is "one trillion, one hundred thirteen billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twelve".