213223302011 has 4 divisors (see below), whose sum is σ = 213224677512. Its totient is φ = 213221926512.

The previous prime is 213223301983. The next prime is 213223302013. The reversal of 213223302011 is 110203322312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213223302011 - 2⁶ = 213223301947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213223302013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420650 + ... + 776783.

It is an arithmetic number, because the mean of its divisors is an integer number (53306169378).

Almost surely, 2^213223302011 is an apocalyptic number.

213223302011 is a deficient number, since it is larger than the sum of its proper divisors (1375501).

213223302011 is a wasteful number, since it uses less digits than its factorization.

213223302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375500.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213223302011 its reverse (110203322312), we get a palindrome (323426624323).

The spelling of 213223302011 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred two thousand, eleven".