112320203221 has 4 divisors (see below), whose sum is σ = 112321067872. Its totient is φ = 112319338572.

The previous prime is 112320203213. The next prime is 112320203249. The reversal of 112320203221 is 122302023211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 112320203221 - 2³ = 112320203213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112320293221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193491 + ... + 511936.

It is an arithmetic number, because the mean of its divisors is an integer number (28080266968).

Almost surely, 2^112320203221 is an apocalyptic number.

It is an amenable number.

112320203221 is a deficient number, since it is larger than the sum of its proper divisors (864651).

112320203221 is an equidigital number, since it uses as much as digits as its factorization.

112320203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864650.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 112320203221 its reverse (122302023211), we get a palindrome (234622226432).

The spelling of 112320203221 in words is "one hundred twelve billion, three hundred twenty million, two hundred three thousand, two hundred twenty-one".