221234104213 has 8 divisors (see below), whose sum is σ = 221619041280. Its totient is φ = 220849277040.

The previous prime is 221234104183. The next prime is 221234104243. The reversal of 221234104213 is 312401432122.

It is an interprime number because it is at equal distance from previous prime (221234104183) and next prime (221234104243).

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 221234104213 - 2¹⁷ = 221233973141 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 (221234104243) 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 7 ways as a sum of consecutive naturals, for example, 4700883 + ... + 4747711.

It is an arithmetic number, because the mean of its divisors is an integer number (27702380160).

Almost surely, 2^221234104213 is an apocalyptic number.

It is an amenable number.

221234104213 is a deficient number, since it is larger than the sum of its proper divisors (384937067).

221234104213 is an equidigital number, since it uses as much as digits as its factorization.

221234104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54947.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221234104213 its reverse (312401432122), we get a palindrome (533635536335).

The spelling of 221234104213 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred four thousand, two hundred thirteen".