203202103211 has 16 divisors (see below), whose sum is σ = 207507880800. Its totient is φ = 198943734528.

The previous prime is 203202103199. The next prime is 203202103229. The reversal of 203202103211 is 112301202302.

It is a cyclic number.

It is not a de Polignac number, because 203202103211 - 2¹⁸ = 203201841067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203202103211.

It is not an unprimeable number, because it can be changed into a prime (203202163211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16708745 + ... + 16720901.

It is an arithmetic number, because the mean of its divisors is an integer number (12969242550).

Almost surely, 2^203202103211 is an apocalyptic number.

203202103211 is a deficient number, since it is larger than the sum of its proper divisors (4305777589).

203202103211 is a wasteful number, since it uses less digits than its factorization.

203202103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203202103211 its reverse (112301202302), we get a palindrome (315503305513).

Subtracting from 203202103211 its reverse (112301202302), we obtain a palindrome (90900900909).

The spelling of 203202103211 in words is "two hundred three billion, two hundred two million, one hundred three thousand, two hundred eleven".