421222331211 has 12 divisors (see below), whose sum is σ = 617328596136. Its totient is φ = 255286261120.

The previous prime is 421222331209. The next prime is 421222331237. The reversal of 421222331211 is 112133222124.

It is not a de Polignac number, because 421222331211 - 2¹ = 421222331209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421222331251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580195686 + ... + 580196411.

It is an arithmetic number, because the mean of its divisors is an integer number (51444049678).

Almost surely, 2^421222331211 is an apocalyptic number.

421222331211 is a deficient number, since it is larger than the sum of its proper divisors (196106264925).

421222331211 is a wasteful number, since it uses less digits than its factorization.

421222331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160392122 (or 1160392111 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 421222331211 its reverse (112133222124), we get a palindrome (533355553335).

The spelling of 421222331211 in words is "four hundred twenty-one billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred eleven".