112001321 has 4 divisors (see below), whose sum is σ = 118589652. Its totient is φ = 105412992.

The previous prime is 112001311. The next prime is 112001327. The reversal of 112001321 is 123100211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92544400 + 19456921 = 9620^2 + 4411^2 .

It is a cyclic number.

It is not a de Polignac number, because 112001321 - 2¹⁰ = 112000297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112001327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3294140 + ... + 3294173.

It is an arithmetic number, because the mean of its divisors is an integer number (29647413).

Almost surely, 2^112001321 is an apocalyptic number.

It is an amenable number.

112001321 is a deficient number, since it is larger than the sum of its proper divisors (6588331).

112001321 is an equidigital number, since it uses as much as digits as its factorization.

112001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588330.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112001321 is about 10583.0676554579. The cubic root of 112001321 is about 482.0303479454.

Adding to 112001321 its reverse (123100211), we get a palindrome (235101532).

It can be divided in two parts, 11200 and 1321, that added together give a palindrome (12521).

The spelling of 112001321 in words is "one hundred twelve million, one thousand, three hundred twenty-one".