213331321011 has 16 divisors (see below), whose sum is σ = 286630128288. Its totient is φ = 141129081600.

The previous prime is 213331320967. The next prime is 213331321033. The reversal of 213331321011 is 110123133312.

It is a happy number.

It is not a de Polignac number, because 213331321011 - 2³⁰ = 212257579187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213331391011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60841 + ... + 656021.

It is an arithmetic number, because the mean of its divisors is an integer number (17914383018).

Almost surely, 2^213331321011 is an apocalyptic number.

213331321011 is a deficient number, since it is larger than the sum of its proper divisors (73298807277).

213331321011 is a wasteful number, since it uses less digits than its factorization.

213331321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596102.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213331321011 its reverse (110123133312), we get a palindrome (323454454323).

The spelling of 213331321011 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred twenty-one thousand, eleven".