213111210210 has 16 divisors (see below), whose sum is σ = 511466904576. Its totient is φ = 56829656048.

The previous prime is 213111210199. The next prime is 213111210229. The reversal of 213111210210 is 12012111312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213111210210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551853474 + ... + 3551853533.

It is an arithmetic number, because the mean of its divisors is an integer number (31966681536).

Almost surely, 2^213111210210 is an apocalyptic number.

213111210210 is an abundant number, since it is smaller than the sum of its proper divisors (298355694366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213111210210 is a wasteful number, since it uses less digits than its factorization.

213111210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103707017.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 213111210210 its reverse (12012111312), we get a palindrome (225123321522).

The spelling of 213111210210 in words is "two hundred thirteen billion, one hundred eleven million, two hundred ten thousand, two hundred ten".