213220221103 has 8 divisors (see below), whose sum is σ = 217855772928. Its totient is φ = 208588792344.

The previous prime is 213220221089. The next prime is 213220221163. The reversal of 213220221103 is 301122022312.

213220221103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213220221103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220221163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 926101 + ... + 1133182.

It is an arithmetic number, because the mean of its divisors is an integer number (27231971616).

Almost surely, 2^213220221103 is an apocalyptic number.

213220221103 is a deficient number, since it is larger than the sum of its proper divisors (4635551825).

213220221103 is a wasteful number, since it uses less digits than its factorization.

213220221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061533.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213220221103 its reverse (301122022312), we get a palindrome (514342243415).

The spelling of 213220221103 in words is "two hundred thirteen billion, two hundred twenty million, two hundred twenty-one thousand, one hundred three".