41223202021 has 4 divisors (see below), whose sum is σ = 41223671500. Its totient is φ = 41222732544.

The previous prime is 41223201973. The next prime is 41223202049. The reversal of 41223202021 is 12020232214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36447009921 + 4776192100 = 190911^2 + 69110^2 .

It is a cyclic number.

It is not a de Polignac number, because 41223202021 - 2¹¹ = 41223199973 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 41223202021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41223202121) 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, 59346 + ... + 293203.

It is an arithmetic number, because the mean of its divisors is an integer number (10305917875).

Almost surely, 2^41223202021 is an apocalyptic number.

It is an amenable number.

41223202021 is a deficient number, since it is larger than the sum of its proper divisors (469479).

41223202021 is a wasteful number, since it uses less digits than its factorization.

41223202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469478.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 41223202021 its reverse (12020232214), we get a palindrome (53243434235).

The spelling of 41223202021 in words is "forty-one billion, two hundred twenty-three million, two hundred two thousand, twenty-one".