211232232203 has 4 divisors (see below), whose sum is σ = 212035396848. Its totient is φ = 210429067560.

The previous prime is 211232232193. The next prime is 211232232307. The reversal of 211232232203 is 302232232112.

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 211232232203 - 2⁴ = 211232232187 is a prime.

It is a super-2 number, since 2×211232232203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211232232103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401581928 + ... + 401582453.

It is an arithmetic number, because the mean of its divisors is an integer number (53008849212).

Almost surely, 2^211232232203 is an apocalyptic number.

211232232203 is a deficient number, since it is larger than the sum of its proper divisors (803164645).

211232232203 is an equidigital number, since it uses as much as digits as its factorization.

211232232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803164644.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 211232232203 its reverse (302232232112), we get a palindrome (513464464315).

Subtracting 211232232203 from its reverse (302232232112), we obtain a palindrome (90999999909).

The spelling of 211232232203 in words is "two hundred eleven billion, two hundred thirty-two million, two hundred thirty-two thousand, two hundred three".