112210021128 has 64 divisors (see below), whose sum is σ = 282261124800. Its totient is φ = 37172378880.

The previous prime is 112210021097. The next prime is 112210021129. The reversal of 112210021128 is 821120012211.

112210021128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (112210021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574750 + ... + 3606002.

It is an arithmetic number, because the mean of its divisors is an integer number (4410330075).

Almost surely, 2^112210021128 is an apocalyptic number.

It is an amenable number.

112210021128 is an abundant number, since it is smaller than the sum of its proper divisors (170051103672).

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

112210021128 is a wasteful number, since it uses less digits than its factorization.

112210021128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32182 (or 32178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112210021128 its reverse (821120012211), we get a palindrome (933330033339).

The spelling of 112210021128 in words is "one hundred twelve billion, two hundred ten million, twenty-one thousand, one hundred twenty-eight".