221331203201 has 8 divisors (see below), whose sum is σ = 222503583744. Its totient is φ = 220158964480.

The previous prime is 221331203111. The next prime is 221331203221. The reversal of 221331203201 is 102302133122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221331203201 - 2²² = 221327008897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221331203221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4904000 + ... + 4948926.

It is an arithmetic number, because the mean of its divisors is an integer number (27812947968).

Almost surely, 2^221331203201 is an apocalyptic number.

It is an amenable number.

221331203201 is a deficient number, since it is larger than the sum of its proper divisors (1172380543).

221331203201 is a wasteful number, since it uses less digits than its factorization.

221331203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70911.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221331203201 its reverse (102302133122), we get a palindrome (323633336323).

The spelling of 221331203201 in words is "two hundred twenty-one billion, three hundred thirty-one million, two hundred three thousand, two hundred one".