443222421121 has 2 divisors, whose sum is σ = 443222421122. Its totient is φ = 443222421120.

The previous prime is 443222421097. The next prime is 443222421163. The reversal of 443222421121 is 121124222344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341247578896 + 101974842225 = 584164^2 + 319335^2 .

It is a cyclic number.

It is not a de Polignac number, because 443222421121 - 2³³ = 434632486529 is a prime.

It is a super-2 number, since 2×443222421121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 443222421121.

It is not a weakly prime, because it can be changed into another prime (443222421721) 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 as a sum of consecutive naturals, namely, 221611210560 + 221611210561.

It is an arithmetic number, because the mean of its divisors is an integer number (221611210561).

Almost surely, 2^443222421121 is an apocalyptic number.

It is an amenable number.

443222421121 is a deficient number, since it is larger than the sum of its proper divisors (1).

443222421121 is an equidigital number, since it uses as much as digits as its factorization.

443222421121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 28.

Adding to 443222421121 its reverse (121124222344), we get a palindrome (564346643465).

The spelling of 443222421121 in words is "four hundred forty-three billion, two hundred twenty-two million, four hundred twenty-one thousand, one hundred twenty-one".