211203223203 has 8 divisors (see below), whose sum is σ = 321833483008. Its totient is φ = 120687556104.

The previous prime is 211203223199. The next prime is 211203223213. The reversal of 211203223203 is 302322302112.

It is a happy number.

211203223203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211203223203 - 2² = 211203223199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10057296343 = 211203223203 / (2 + 1 + 1 + 2 + 0 + 3 + 2 + 2 + 3 + 2 + 0 + 3).

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 211203223203.

It is not an unprimeable number, because it can be changed into a prime (211203223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028648151 + ... + 5028648192.

It is an arithmetic number, because the mean of its divisors is an integer number (40229185376).

Almost surely, 2^211203223203 is an apocalyptic number.

211203223203 is a deficient number, since it is larger than the sum of its proper divisors (110630259805).

211203223203 is a wasteful number, since it uses less digits than its factorization.

211203223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057296353.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211203223203 its reverse (302322302112), we get a palindrome (513525525315).

The spelling of 211203223203 in words is "two hundred eleven billion, two hundred three million, two hundred twenty-three thousand, two hundred three".