112320021330 has 192 divisors, whose sum is σ = 347769676800. Its totient is φ = 25795869120.

The previous prime is 112320021269. The next prime is 112320021337. The reversal of 112320021330 is 33120023211.

112320021330 is a `hidden beast` number, since 1 + 12 + 320 + 0 + 2 + 1 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112320021337) 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 95 ways as a sum of consecutive naturals, for example, 397291 + ... + 618449.

It is an arithmetic number, because the mean of its divisors is an integer number (1811300400).

Almost surely, 2^112320021330 is an apocalyptic number.

112320021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112320021330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173884838400).

112320021330 is an abundant number, since it is smaller than the sum of its proper divisors (235449655470).

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

112320021330 is a wasteful number, since it uses less digits than its factorization.

112320021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221211 (or 221199 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 112320021330 its reverse (33120023211), we get a palindrome (145440044541).

The spelling of 112320021330 in words is "one hundred twelve billion, three hundred twenty million, twenty-one thousand, three hundred thirty".