41303221021 has 4 divisors (see below), whose sum is σ = 42082527132. Its totient is φ = 40523914912.

The previous prime is 41303221013. The next prime is 41303221031. The reversal of 41303221021 is 12012230314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24425313796 + 16877907225 = 156286^2 + 129915^2 .

It is a cyclic number.

It is not a de Polignac number, because 41303221021 - 2³ = 41303221013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41303221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41303221031) 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, 389652976 + ... + 389653081.

It is an arithmetic number, because the mean of its divisors is an integer number (10520631783).

Almost surely, 2^41303221021 is an apocalyptic number.

It is an amenable number.

41303221021 is a deficient number, since it is larger than the sum of its proper divisors (779306111).

41303221021 is an equidigital number, since it uses as much as digits as its factorization.

41303221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779306110.

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

Adding to 41303221021 its reverse (12012230314), we get a palindrome (53315451335).

The spelling of 41303221021 in words is "forty-one billion, three hundred three million, two hundred twenty-one thousand, twenty-one".