4502220541021 has 12 divisors (see below), whose sum is σ = 5465869329568. Its totient is φ = 3632043460032.

The previous prime is 4502220541019. The next prime is 4502220541069. The reversal of 4502220541021 is 1201450222054.

It is a happy number.

It is not a de Polignac number, because 4502220541021 - 2¹ = 4502220541019 is a prime.

It is a super-3 number, since 3×4502220541021³ (a number of 39 digits) contains 333 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 (4502220541001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112756391 + ... + 1112760436.

Almost surely, 2^{4502220541021} is an apocalyptic number.

It is an amenable number.

4502220541021 is a deficient number, since it is larger than the sum of its proper divisors (963648788547).

4502220541021 is a wasteful number, since it uses less digits than its factorization.

4502220541021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225516868 (or 2225516851 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 4502220541021 its reverse (1201450222054), we get a palindrome (5703670763075).

The spelling of 4502220541021 in words is "four trillion, five hundred two billion, two hundred twenty million, five hundred forty-one thousand, twenty-one".