213113220213 has 16 divisors (see below), whose sum is σ = 290592529920. Its totient is φ = 138889142784.

The previous prime is 213113220211. The next prime is 213113220227. The reversal of 213113220213 is 312022311312.

It is not a de Polignac number, because 213113220213 - 2¹ = 213113220211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213113220213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113220211) 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, 4281093 + ... + 4330586.

It is an arithmetic number, because the mean of its divisors is an integer number (18162033120).

Almost surely, 2^213113220213 is an apocalyptic number.

It is an amenable number.

213113220213 is a deficient number, since it is larger than the sum of its proper divisors (77479309707).

213113220213 is a wasteful number, since it uses less digits than its factorization.

213113220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611868.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213113220213 its reverse (312022311312), we get a palindrome (525135531525).

The spelling of 213113220213 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twenty thousand, two hundred thirteen".