213111320210 has 16 divisors (see below), whose sum is σ = 383623713792. Its totient is φ = 85239342000.

The previous prime is 213111320189. The next prime is 213111320267. The reversal of 213111320210 is 12023111312.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473426 + ... + 806445.

It is an arithmetic number, because the mean of its divisors is an integer number (23976482112).

Almost surely, 2^213111320210 is an apocalyptic number.

213111320210 is a deficient number, since it is larger than the sum of its proper divisors (170512393582).

213111320210 is a wasteful number, since it uses less digits than its factorization.

213111320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296529.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213111320210 its reverse (12023111312), we get a palindrome (225134431522).

The spelling of 213111320210 in words is "two hundred thirteen billion, one hundred eleven million, three hundred twenty thousand, two hundred ten".