213423221001 has 8 divisors (see below), whose sum is σ = 286209175680. Its totient is φ = 141459706832.

The previous prime is 213423220993. The next prime is 213423221051. The reversal of 213423221001 is 100122324312.

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 213423221001 - 2³ = 213423220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213423221051) 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, 205609521 + ... + 205610558.

It is an arithmetic number, because the mean of its divisors is an integer number (35776146960).

Almost surely, 2^213423221001 is an apocalyptic number.

It is an amenable number.

213423221001 is a deficient number, since it is larger than the sum of its proper divisors (72785954679).

213423221001 is a wasteful number, since it uses less digits than its factorization.

213423221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411220255.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213423221001 its reverse (100122324312), we get a palindrome (313545545313).

The spelling of 213423221001 in words is "two hundred thirteen billion, four hundred twenty-three million, two hundred twenty-one thousand, one".