203213110211 has 4 divisors (see below), whose sum is σ = 203395038912. Its totient is φ = 203031181512.

The previous prime is 203213110201. The next prime is 203213110279. The reversal of 203213110211 is 112011312302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112011312302 = 2 ⋅56005656151.

It is a cyclic number.

It is not a de Polignac number, because 203213110211 - 2²² = 203208915907 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 203213110211.

It is not an unprimeable number, because it can be changed into a prime (203213110201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90962675 + ... + 90964908.

It is an arithmetic number, because the mean of its divisors is an integer number (50848759728).

Almost surely, 2^203213110211 is an apocalyptic number.

203213110211 is a deficient number, since it is larger than the sum of its proper divisors (181928701).

203213110211 is a wasteful number, since it uses less digits than its factorization.

203213110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181928700.

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

Adding to 203213110211 its reverse (112011312302), we get a palindrome (315224422513).

The spelling of 203213110211 in words is "two hundred three billion, two hundred thirteen million, one hundred ten thousand, two hundred eleven".