213133113211 has 16 divisors (see below), whose sum is σ = 217100505600. Its totient is φ = 209200219488.

The previous prime is 213133113191. The next prime is 213133113217. The reversal of 213133113211 is 112311331312.

It is a cyclic number.

It is not a de Polignac number, because 213133113211 - 2¹³ = 213133105019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213133113217) 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, 12706116 + ... + 12722878.

It is an arithmetic number, because the mean of its divisors is an integer number (13568781600).

Almost surely, 2^213133113211 is an apocalyptic number.

213133113211 is a deficient number, since it is larger than the sum of its proper divisors (3967392389).

213133113211 is a wasteful number, since it uses less digits than its factorization.

213133113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778.

The product of its digits is 324, while the sum is 22.

Adding to 213133113211 its reverse (112311331312), we get a palindrome (325444444523).

The spelling of 213133113211 in words is "two hundred thirteen billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred eleven".