41013521021 has 16 divisors (see below), whose sum is σ = 45862588800. Its totient is φ = 36352377600.

The previous prime is 41013520997. The next prime is 41013521027. The reversal of 41013521021 is 12012531014.

41013521021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41013521021 - 2¹⁰ = 41013519997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41013520984 and 41013521002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41013521027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697400 + ... + 753918.

It is an arithmetic number, because the mean of its divisors is an integer number (2866411800).

Almost surely, 2^41013521021 is an apocalyptic number.

41013521021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41013521021 is a deficient number, since it is larger than the sum of its proper divisors (4849067779).

41013521021 is a wasteful number, since it uses less digits than its factorization.

41013521021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58180.

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 41013521021 in words is "forty-one billion, thirteen million, five hundred twenty-one thousand, twenty-one".