211421341233 has 24 divisors (see below), whose sum is σ = 316560553920. Its totient is φ = 135810054240.

The previous prime is 211421341213. The next prime is 211421341249. The reversal of 211421341233 is 332143124112.

211421341233 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 213 + 412 + 33 = 666.

It is not a de Polignac number, because 211421341233 - 2³⁶ = 142701864497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211421341197 and 211421341206.

It is not an unprimeable number, because it can be changed into a prime (211421341213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696741 + ... + 953042.

It is an arithmetic number, because the mean of its divisors is an integer number (13190023080).

Almost surely, 2^211421341233 is an apocalyptic number.

It is an amenable number.

211421341233 is a deficient number, since it is larger than the sum of its proper divisors (105139212687).

211421341233 is a wasteful number, since it uses less digits than its factorization.

211421341233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650309 (or 1650306 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 211421341233 its reverse (332143124112), we get a palindrome (543564465345).

The spelling of 211421341233 in words is "two hundred eleven billion, four hundred twenty-one million, three hundred forty-one thousand, two hundred thirty-three".