41421154445221 has 4 divisors (see below), whose sum is σ = 41945472856000. Its totient is φ = 40896836034444.

The previous prime is 41421154445213. The next prime is 41421154445227. The reversal of 41421154445221 is 12254445112414.

41421154445221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41421154445221 - 2³ = 41421154445213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41421154445227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262159205271 + ... + 262159205428.

It is an arithmetic number, because the mean of its divisors is an integer number (10486368214000).

Almost surely, 2^{41421154445221} is an apocalyptic number.

It is an amenable number.

41421154445221 is a deficient number, since it is larger than the sum of its proper divisors (524318410779).

41421154445221 is an equidigital number, since it uses as much as digits as its factorization.

41421154445221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524318410778.

The product of its digits is 204800, while the sum is 40.

Adding to 41421154445221 its reverse (12254445112414), we get a palindrome (53675599557635).

The spelling of 41421154445221 in words is "forty-one trillion, four hundred twenty-one billion, one hundred fifty-four million, four hundred forty-five thousand, two hundred twenty-one".