41001323221 has 4 divisors (see below), whose sum is σ = 42783989472. Its totient is φ = 39218656972.

The previous prime is 41001323219. The next prime is 41001323243. The reversal of 41001323221 is 12232310014.

It is a happy number.

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 41001323221 - 2¹ = 41001323219 is a prime.

It is a super-2 number, since 2×41001323221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41001327221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891333091 + ... + 891333136.

It is an arithmetic number, because the mean of its divisors is an integer number (10695997368).

Almost surely, 2^41001323221 is an apocalyptic number.

It is an amenable number.

41001323221 is a deficient number, since it is larger than the sum of its proper divisors (1782666251).

41001323221 is a wasteful number, since it uses less digits than its factorization.

41001323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782666250.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 41001323221 its reverse (12232310014), we get a palindrome (53233633235).

The spelling of 41001323221 in words is "forty-one billion, one million, three hundred twenty-three thousand, two hundred twenty-one".