112021222028 has 12 divisors (see below), whose sum is σ = 196333719792. Its totient is φ = 55925873520.

The previous prime is 112021222021. The next prime is 112021222129. The reversal of 112021222028 is 820222120211.

It is a happy number.

It is a super-3 number, since 3×112021222028³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112021221994 and 112021222012.

It is not an unprimeable number, because it can be changed into a prime (112021222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21181400 + ... + 21186687.

It is an arithmetic number, because the mean of its divisors is an integer number (16361143316).

Almost surely, 2^112021222028 is an apocalyptic number.

It is an amenable number.

112021222028 is a deficient number, since it is larger than the sum of its proper divisors (84312497764).

112021222028 is a wasteful number, since it uses less digits than its factorization.

112021222028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42368752 (or 42368750 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112021222028 its reverse (820222120211), we get a palindrome (932243342239).

The spelling of 112021222028 in words is "one hundred twelve billion, twenty-one million, two hundred twenty-two thousand, twenty-eight".