23211232112211 has 16 divisors (see below), whose sum is σ = 36358853099520. Its totient is φ = 12985304677920.

The previous prime is 23211232112203. The next prime is 23211232112227. The reversal of 23211232112211 is 11221123211232.

It is not a de Polignac number, because 23211232112211 - 2³ = 23211232112203 is a prime.

It is a super-2 number, since 2×23211232112211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23211232112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27052717651 + ... + 27052718508.

It is an arithmetic number, because the mean of its divisors is an integer number (2272428318720).

Almost surely, 2^{23211232112211} is an apocalyptic number.

23211232112211 is a deficient number, since it is larger than the sum of its proper divisors (13147620987309).

23211232112211 is a wasteful number, since it uses less digits than its factorization.

23211232112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54105436186.

The product of its digits is 576, while the sum is 24.

Adding to 23211232112211 its reverse (11221123211232), we get a palindrome (34432355323443).

It can be divided in two parts, 232112 and 32112211, that added together give a palindrome (32344323).

The spelling of 23211232112211 in words is "twenty-three trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twelve thousand, two hundred eleven".