112221133212320 has 144 divisors (see below), whose sum is σ = 291540588058440. Its totient is φ = 40790176880640.

The previous prime is 112221133212319. The next prime is 112221133212341. The reversal of 112221133212320 is 23212331122211.

It can be written as a sum of positive squares in 4 ways, for example, as 101411425464976 + 10809707747344 = 10070324^2 + 3287812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112221133212320.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43924586 + ... + 46409174.

Almost surely, 2^{112221133212320} is an apocalyptic number.

112221133212320 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 112221133212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145770294029220).

112221133212320 is an abundant number, since it is smaller than the sum of its proper divisors (179319454846120).

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

112221133212320 is a wasteful number, since it uses less digits than its factorization.

112221133212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486959 (or 2486940 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 112221133212320 its reverse (23212331122211), we get a palindrome (135433464334531).

The spelling of 112221133212320 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred twelve thousand, three hundred twenty".