213132242343121 has 8 divisors (see below), whose sum is σ = 215585937996800. Its totient is φ = 210690663705648.

The previous prime is 213132242343091. The next prime is 213132242343169. The reversal of 213132242343121 is 121343242231312.

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 213132242343121 - 2⁷ = 213132242342993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213132242343221) 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, 3029218671 + ... + 3029289028.

It is an arithmetic number, because the mean of its divisors is an integer number (26948242249600).

Almost surely, 2^{213132242343121} is an apocalyptic number.

It is an amenable number.

213132242343121 is a deficient number, since it is larger than the sum of its proper divisors (2453695653679).

213132242343121 is a wasteful number, since it uses less digits than its factorization.

213132242343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058508103.

The product of its digits is 41472, while the sum is 34.

Adding to 213132242343121 its reverse (121343242231312), we get a palindrome (334475484574433).

The spelling of 213132242343121 in words is "two hundred thirteen trillion, one hundred thirty-two billion, two hundred forty-two million, three hundred forty-three thousand, one hundred twenty-one".