112122221320 has 64 divisors (see below), whose sum is σ = 255937806000. Its totient is φ = 44198719488.

The previous prime is 112122221293. The next prime is 112122221329. The reversal of 112122221320 is 23122221211.

It can be written as a sum of positive squares in 8 ways, for example, as 37644536484 + 74477684836 = 194022^2 + 272906^2 .

It is not an unprimeable number, because it can be changed into a prime (112122221329) 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, 3748986 + ... + 3778774.

Almost surely, 2^112122221320 is an apocalyptic number.

112122221320 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 112122221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127968903000).

112122221320 is an abundant number, since it is smaller than the sum of its proper divisors (143815584680).

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

112122221320 is a wasteful number, since it uses less digits than its factorization.

112122221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31162 (or 31158 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112122221320 its reverse (23122221211), we get a palindrome (135244442531).

The spelling of 112122221320 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty".