4521522440121 has 8 divisors (see below), whose sum is σ = 6031685537184. Its totient is φ = 3012853818240.

The previous prime is 4521522440089. The next prime is 4521522440137. The reversal of 4521522440121 is 1210442251254.

4521522440121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4521522440121 - 2⁵ = 4521522440089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4521522440191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373611735 + ... + 373623836.

It is an arithmetic number, because the mean of its divisors is an integer number (753960692148).

Almost surely, 2^{4521522440121} is an apocalyptic number.

It is an amenable number.

4521522440121 is a deficient number, since it is larger than the sum of its proper divisors (1510163097063).

4521522440121 is a wasteful number, since it uses less digits than its factorization.

4521522440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747237591.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 4521522440121 its reverse (1210442251254), we get a palindrome (5731964691375).

The spelling of 4521522440121 in words is "four trillion, five hundred twenty-one billion, five hundred twenty-two million, four hundred forty thousand, one hundred twenty-one".