213222333121 has 8 divisors (see below), whose sum is σ = 256508070080. Its totient is φ = 173142947088.

The previous prime is 213222333089. The next prime is 213222333127. The reversal of 213222333121 is 121333222312.

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 213222333121 - 2⁵ = 213222333089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213222333127) 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, 801587586 + ... + 801587851.

It is an arithmetic number, because the mean of its divisors is an integer number (32063508760).

Almost surely, 2^213222333121 is an apocalyptic number.

It is an amenable number.

213222333121 is a deficient number, since it is larger than the sum of its proper divisors (43285736959).

213222333121 is a wasteful number, since it uses less digits than its factorization.

213222333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603175463.

The product of its digits is 2592, while the sum is 25.

Adding to 213222333121 its reverse (121333222312), we get a palindrome (334555555433).

The spelling of 213222333121 in words is "two hundred thirteen billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred twenty-one".