221332112301 has 4 divisors (see below), whose sum is σ = 295109483072. Its totient is φ = 147554741532.

The previous prime is 221332112293. The next prime is 221332112389. The reversal of 221332112301 is 103211233122.

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.

It is not a de Polignac number, because 221332112301 - 2³ = 221332112293 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 (221332112401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36888685381 + ... + 36888685386.

It is an arithmetic number, because the mean of its divisors is an integer number (73777370768).

Almost surely, 2^221332112301 is an apocalyptic number.

It is an amenable number.

221332112301 is a deficient number, since it is larger than the sum of its proper divisors (73777370771).

221332112301 is an equidigital number, since it uses as much as digits as its factorization.

221332112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73777370770.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221332112301 its reverse (103211233122), we get a palindrome (324543345423).

The spelling of 221332112301 in words is "two hundred twenty-one billion, three hundred thirty-two million, one hundred twelve thousand, three hundred one".