221133112213 has 8 divisors (see below), whose sum is σ = 238632359168. Its totient is φ = 203703723504.

The previous prime is 221133112171. The next prime is 221133112217. The reversal of 221133112213 is 312211331122.

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 221133112213 - 2⁹ = 221133111701 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 (221133112217) 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, 17457981 + ... + 17470642.

It is an arithmetic number, because the mean of its divisors is an integer number (29829044896).

Almost surely, 2^221133112213 is an apocalyptic number.

It is an amenable number.

221133112213 is a deficient number, since it is larger than the sum of its proper divisors (17499246955).

221133112213 is a wasteful number, since it uses less digits than its factorization.

221133112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34929123.

The product of its digits is 432, while the sum is 22.

Adding to 221133112213 its reverse (312211331122), we get a palindrome (533344443335).

The spelling of 221133112213 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred twelve thousand, two hundred thirteen".