211203210322 has 48 divisors (see below), whose sum is σ = 368787807360. Its totient is φ = 90382982976.

The previous prime is 211203210319. The next prime is 211203210329. The reversal of 211203210322 is 223012302112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 211203210322.

It is not an unprimeable number, because it can be changed into a prime (211203210329) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 48033 + ... + 651700.

It is an arithmetic number, because the mean of its divisors is an integer number (7683079320).

Almost surely, 2^211203210322 is an apocalyptic number.

211203210322 is a deficient number, since it is larger than the sum of its proper divisors (157584597038).

211203210322 is a wasteful number, since it uses less digits than its factorization.

211203210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699827 (or 699814 counting only the distinct ones).

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

Adding to 211203210322 its reverse (223012302112), we get a palindrome (434215512434).

The spelling of 211203210322 in words is "two hundred eleven billion, two hundred three million, two hundred ten thousand, three hundred twenty-two".