112043321020 has 96 divisors (see below), whose sum is σ = 247703049216. Its totient is φ = 42488793600.

The previous prime is 112043321017. The next prime is 112043321021. The reversal of 112043321020 is 20123340211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112043321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61191505 + ... + 61193335.

It is an arithmetic number, because the mean of its divisors is an integer number (2580240096).

Almost surely, 2^112043321020 is an apocalyptic number.

112043321020 is a gapful number since it is divisible by the number (10) 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 112043321020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123851524608).

112043321020 is an abundant number, since it is smaller than the sum of its proper divisors (135659728196).

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

112043321020 is a wasteful number, since it uses less digits than its factorization.

112043321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 112043321020 its reverse (20123340211), we get a palindrome (132166661231).

The spelling of 112043321020 in words is "one hundred twelve billion, forty-three million, three hundred twenty-one thousand, twenty".