211121123203 has 8 divisors (see below), whose sum is σ = 218416867200. Its totient is φ = 203855715840.

The previous prime is 211121123179. The next prime is 211121123221. The reversal of 211121123203 is 302321121112.

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

It is a cyclic number.

It is not a de Polignac number, because 211121123203 - 2²⁵ = 211087568771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121123243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7570000 + ... + 7597837.

It is an arithmetic number, because the mean of its divisors is an integer number (27302108400).

Almost surely, 2^211121123203 is an apocalyptic number.

211121123203 is a deficient number, since it is larger than the sum of its proper divisors (7295743997).

211121123203 is a wasteful number, since it uses less digits than its factorization.

211121123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168317.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211121123203 its reverse (302321121112), we get a palindrome (513442244315).

The spelling of 211121123203 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred three".