221304031411 has 8 divisors (see below), whose sum is σ = 226038093120. Its totient is φ = 216571030848.

The previous prime is 221304031393. The next prime is 221304031427. The reversal of 221304031411 is 114130403122.

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 221304031411 - 2⁷ = 221304031283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221304034411) 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, 163615 + ... + 685111.

It is an arithmetic number, because the mean of its divisors is an integer number (28254761640).

Almost surely, 2^221304031411 is an apocalyptic number.

221304031411 is a deficient number, since it is larger than the sum of its proper divisors (4734061709).

221304031411 is an equidigital number, since it uses as much as digits as its factorization.

221304031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530573.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221304031411 its reverse (114130403122), we get a palindrome (335434434533).

The spelling of 221304031411 in words is "two hundred twenty-one billion, three hundred four million, thirty-one thousand, four hundred eleven".