112321221443 has 4 divisors (see below), whose sum is σ = 116194367040. Its totient is φ = 108448075848.

The previous prime is 112321221391. The next prime is 112321221451. The reversal of 112321221443 is 344122123211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 112321221443 - 2⁶ = 112321221379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112321221473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936572755 + ... + 1936572812.

It is an arithmetic number, because the mean of its divisors is an integer number (29048591760).

Almost surely, 2^112321221443 is an apocalyptic number.

112321221443 is a deficient number, since it is larger than the sum of its proper divisors (3873145597).

112321221443 is an equidigital number, since it uses as much as digits as its factorization.

112321221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873145596.

The product of its digits is 2304, while the sum is 26.

Adding to 112321221443 its reverse (344122123211), we get a palindrome (456443344654).

The spelling of 112321221443 in words is "one hundred twelve billion, three hundred twenty-one million, two hundred twenty-one thousand, four hundred forty-three".