213103120211 has 4 divisors (see below), whose sum is σ = 213104063400. Its totient is φ = 213102177024.

The previous prime is 213103120207. The next prime is 213103120261. The reversal of 213103120211 is 112021301312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213103120211 - 2² = 213103120207 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 213103120211.

It is not an unprimeable number, because it can be changed into a prime (213103120261) 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, 91160 + ... + 659178.

It is an arithmetic number, because the mean of its divisors is an integer number (53276015850).

Almost surely, 2^213103120211 is an apocalyptic number.

213103120211 is a deficient number, since it is larger than the sum of its proper divisors (943189).

213103120211 is an equidigital number, since it uses as much as digits as its factorization.

213103120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943188.

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

Adding to 213103120211 its reverse (112021301312), we get a palindrome (325124421523).

The spelling of 213103120211 in words is "two hundred thirteen billion, one hundred three million, one hundred twenty thousand, two hundred eleven".