22000112120 has 96 divisors (see below), whose sum is σ = 58002940080. Its totient is φ = 7487746560.

The previous prime is 22000112117. The next prime is 22000112129. The reversal of 22000112120 is 2121100022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000112129) 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 23 ways as a sum of consecutive naturals, for example, 227555 + ... + 309485.

Almost surely, 2^22000112120 is an apocalyptic number.

22000112120 is a gapful number since it is divisible by the number (20) 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 22000112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29001470040).

22000112120 is an abundant number, since it is smaller than the sum of its proper divisors (36002827960).

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

22000112120 is a wasteful number, since it uses less digits than its factorization.

22000112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82093 (or 82082 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22000112120 its reverse (2121100022), we get a palindrome (24121212142).

The spelling of 22000112120 in words is "twenty-two billion, one hundred twelve thousand, one hundred twenty".