211321123233301 has 16 divisors (see below), whose sum is σ = 221104955554560. Its totient is φ = 201587420833920.

The previous prime is 211321123233293. The next prime is 211321123233397. The reversal of 211321123233301 is 103332321123112.

It is not a de Polignac number, because 211321123233301 - 2³ = 211321123233293 is a prime.

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 211321123233301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321123231301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14619601 + ... + 25226473.

It is an arithmetic number, because the mean of its divisors is an integer number (13819059722160).

Almost surely, 2^{211321123233301} is an apocalyptic number.

It is an amenable number.

211321123233301 is a deficient number, since it is larger than the sum of its proper divisors (9783832321259).

211321123233301 is a wasteful number, since it uses less digits than its factorization.

211321123233301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609236.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 211321123233301 its reverse (103332321123112), we get a palindrome (314653444356413).

The spelling of 211321123233301 in words is "two hundred eleven trillion, three hundred twenty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, three hundred one".