213210211103 has 4 divisors (see below), whose sum is σ = 214622199408. Its totient is φ = 211798222800.

The previous prime is 213210211099. The next prime is 213210211111. The reversal of 213210211103 is 301112012312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213210211103 - 2² = 213210211099 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 (213210211133) 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, 705993926 + ... + 705994227.

It is an arithmetic number, because the mean of its divisors is an integer number (53655549852).

Almost surely, 2^213210211103 is an apocalyptic number.

213210211103 is a deficient number, since it is larger than the sum of its proper divisors (1411988305).

213210211103 is a wasteful number, since it uses less digits than its factorization.

213210211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411988304.

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

Adding to 213210211103 its reverse (301112012312), we get a palindrome (514322223415).

The spelling of 213210211103 in words is "two hundred thirteen billion, two hundred ten million, two hundred eleven thousand, one hundred three".