41001327221 has 2 divisors, whose sum is σ = 41001327222. Its totient is φ = 41001327220.

The previous prime is 41001327217. The next prime is 41001327233. The reversal of 41001327221 is 12272310014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36842883025 + 4158444196 = 191945^2 + 64486^2 .

It is a cyclic number.

It is not a de Polignac number, because 41001327221 - 2² = 41001327217 is a prime.

It is a super-2 number, since 2×41001327221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41001327121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20500663610 + 20500663611.

It is an arithmetic number, because the mean of its divisors is an integer number (20500663611).

Almost surely, 2^41001327221 is an apocalyptic number.

It is an amenable number.

41001327221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41001327221 is an equidigital number, since it uses as much as digits as its factorization.

41001327221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 41001327221 its reverse (12272310014), we get a palindrome (53273637235).

The spelling of 41001327221 in words is "forty-one billion, one million, three hundred twenty-seven thousand, two hundred twenty-one".