213122201110 has 64 divisors (see below), whose sum is σ = 472211131392. Its totient is φ = 67440594816.

The previous prime is 213122201087. The next prime is 213122201161. The reversal of 213122201110 is 11102221312.

213122201110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10949407 + ... + 10968853.

It is an arithmetic number, because the mean of its divisors is an integer number (7378298928).

Almost surely, 2^213122201110 is an apocalyptic number.

213122201110 is an abundant number, since it is smaller than the sum of its proper divisors (259088930282).

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

213122201110 is a wasteful number, since it uses less digits than its factorization.

213122201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31517.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213122201110 its reverse (11102221312), we get a palindrome (224224422422).

The spelling of 213122201110 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred one thousand, one hundred ten".