2213241505521 has 16 divisors (see below), whose sum is σ = 2998617707904. Its totient is φ = 1451862307584.

The previous prime is 2213241505511. The next prime is 2213241505523. The reversal of 2213241505521 is 1255051423122.

2213241505521 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 2213241505521 - 2⁹ = 2213241505009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213241505523) 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, 22762296 + ... + 22859321.

It is an arithmetic number, because the mean of its divisors is an integer number (187413606744).

Almost surely, 2^{2213241505521} is an apocalyptic number.

It is an amenable number.

2213241505521 is a deficient number, since it is larger than the sum of its proper divisors (785376202383).

2213241505521 is a wasteful number, since it uses less digits than its factorization.

2213241505521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45621880.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 2213241505521 its reverse (1255051423122), we get a palindrome (3468292928643).

The spelling of 2213241505521 in words is "two trillion, two hundred thirteen billion, two hundred forty-one million, five hundred five thousand, five hundred twenty-one".