112321130221000 has 128 divisors (see below), whose sum is σ = 263966608620000. Its totient is φ = 44734470144000.

The previous prime is 112321130220913. The next prime is 112321130221051. The reversal of 112321130221000 is 122031123211.

It can be written as a sum of positive squares in 16 ways, for example, as 1997659984996 + 110323470236004 = 1413386^2 + 10503498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554172866 + ... + 1554245134.

Almost surely, 2^{112321130221000} is an apocalyptic number.

112321130221000 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 112321130221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131983304310000).

112321130221000 is an abundant number, since it is smaller than the sum of its proper divisors (151645478399000).

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

112321130221000 is a wasteful number, since it uses less digits than its factorization.

112321130221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78980 (or 78966 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112321130221000 its reverse (122031123211), we get a palindrome (112443161344211).

The spelling of 112321130221000 in words is "one hundred twelve trillion, three hundred twenty-one billion, one hundred thirty million, two hundred twenty-one thousand".