211200112103 has 4 divisors (see below), whose sum is σ = 214779775080. Its totient is φ = 207620449128.

The previous prime is 211200112099. The next prime is 211200112117. The reversal of 211200112103 is 301211002112.

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 211200112103 - 2² = 211200112099 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 (211200112183) 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, 1789831400 + ... + 1789831517.

It is an arithmetic number, because the mean of its divisors is an integer number (53694943770).

Almost surely, 2^211200112103 is an apocalyptic number.

211200112103 is a deficient number, since it is larger than the sum of its proper divisors (3579662977).

211200112103 is an equidigital number, since it uses as much as digits as its factorization.

211200112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579662976.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211200112103 its reverse (301211002112), we get a palindrome (512411114215).

The spelling of 211200112103 in words is "two hundred eleven billion, two hundred million, one hundred twelve thousand, one hundred three".