112021019136 has 240 divisors, whose sum is σ = 352591599360. Its totient is φ = 34030264320.

The previous prime is 112021019129. The next prime is 112021019137. The reversal of 112021019136 is 631910120211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112021019137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4720581 + ... + 4744251.

It is an arithmetic number, because the mean of its divisors is an integer number (1469131664).

Almost surely, 2^112021019136 is an apocalyptic number.

112021019136 is a gapful number since it is divisible by the number (16) 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 112021019136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176295799680).

112021019136 is an abundant number, since it is smaller than the sum of its proper divisors (240570580224).

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

112021019136 is a wasteful number, since it uses less digits than its factorization.

112021019136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23787 (or 23768 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 112021019136 its reverse (631910120211), we get a palindrome (743931139347).

The spelling of 112021019136 in words is "one hundred twelve billion, twenty-one million, nineteen thousand, one hundred thirty-six".