41244131221 has 8 divisors (see below), whose sum is σ = 41314763264. Its totient is φ = 41173561440.

The previous prime is 41244131207. The next prime is 41244131237. The reversal of 41244131221 is 12213144214.

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

It is a cyclic number.

It is not a de Polignac number, because 41244131221 - 2¹³ = 41244123029 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 (41244131281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421566 + ... + 1450288.

It is an arithmetic number, because the mean of its divisors is an integer number (5164345408).

Almost surely, 2^41244131221 is an apocalyptic number.

It is an amenable number.

41244131221 is a deficient number, since it is larger than the sum of its proper divisors (70632043).

41244131221 is a wasteful number, since it uses less digits than its factorization.

41244131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31131.

The product of its digits is 1536, while the sum is 25.

Adding to 41244131221 its reverse (12213144214), we get a palindrome (53457275435).

The spelling of 41244131221 in words is "forty-one billion, two hundred forty-four million, one hundred thirty-one thousand, two hundred twenty-one".