213123321020201 has 8 divisors (see below), whose sum is σ = 213201461028864. Its totient is φ = 213045182481600.

The previous prime is 213123321020147. The next prime is 213123321020213. The reversal of 213123321020201 is 102020123321312.

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 213123321020201 - 2¹⁰ = 213123321019177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213123321020101) 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, 350894360 + ... + 351501206.

It is an arithmetic number, because the mean of its divisors is an integer number (26650182628608).

Almost surely, 2^{213123321020201} is an apocalyptic number.

It is an amenable number.

213123321020201 is a deficient number, since it is larger than the sum of its proper divisors (78140008663).

213123321020201 is a wasteful number, since it uses less digits than its factorization.

213123321020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735031.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213123321020201 its reverse (102020123321312), we get a palindrome (315143444341513).

The spelling of 213123321020201 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty-one million, twenty thousand, two hundred one".