211203230103 has 12 divisors (see below), whose sum is σ = 305518005000. Its totient is φ = 140595996816.

The previous prime is 211203230093. The next prime is 211203230137. The reversal of 211203230103 is 301032302112.

It is not a de Polignac number, because 211203230103 - 2⁹ = 211203229591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203230153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17173228 + ... + 17185521.

It is an arithmetic number, because the mean of its divisors is an integer number (25459833750).

Almost surely, 2^211203230103 is an apocalyptic number.

211203230103 is a deficient number, since it is larger than the sum of its proper divisors (94314774897).

211203230103 is a wasteful number, since it uses less digits than its factorization.

211203230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34359438 (or 34359435 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211203230103 its reverse (301032302112), we get a palindrome (512235532215).

The spelling of 211203230103 in words is "two hundred eleven billion, two hundred three million, two hundred thirty thousand, one hundred three".