41022434421721 has 2 divisors, whose sum is σ = 41022434421722. Its totient is φ = 41022434421720.

The previous prime is 41022434421719. The next prime is 41022434421751. The reversal of 41022434421721 is 12712443422014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36145779282496 + 4876655139225 = 6012136^2 + 2208315^2 .

It is a cyclic number.

It is not a de Polignac number, because 41022434421721 - 2¹ = 41022434421719 is a prime.

Together with 41022434421719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41022434421751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20511217210860 + 20511217210861.

It is an arithmetic number, because the mean of its divisors is an integer number (20511217210861).

Almost surely, 2^{41022434421721} is an apocalyptic number.

It is an amenable number.

41022434421721 is a deficient number, since it is larger than the sum of its proper divisors (1).

41022434421721 is an equidigital number, since it uses as much as digits as its factorization.

41022434421721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 37.

Adding to 41022434421721 its reverse (12712443422014), we get a palindrome (53734877843735).

The spelling of 41022434421721 in words is "forty-one trillion, twenty-two billion, four hundred thirty-four million, four hundred twenty-one thousand, seven hundred twenty-one".