421233011211 has 8 divisors (see below), whose sum is σ = 567434159824. Its totient is φ = 277926935040.

The previous prime is 421233011197. The next prime is 421233011239. The reversal of 421233011211 is 112110332124.

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

It is not a de Polignac number, because 421233011211 - 2⁷ = 421233011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421233011611) 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 7 ways as a sum of consecutive naturals, for example, 723767770 + ... + 723768351.

It is an arithmetic number, because the mean of its divisors is an integer number (70929269978).

Almost surely, 2^421233011211 is an apocalyptic number.

421233011211 is a deficient number, since it is larger than the sum of its proper divisors (146201148613).

421233011211 is a wasteful number, since it uses less digits than its factorization.

421233011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447536221.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 421233011211 its reverse (112110332124), we get a palindrome (533343343335).

The spelling of 421233011211 in words is "four hundred twenty-one billion, two hundred thirty-three million, eleven thousand, two hundred eleven".