3521073245121 has 12 divisors (see below), whose sum is σ = 5089316715600. Its totient is φ = 2345848919640.

The previous prime is 3521073245119. The next prime is 3521073245147. The reversal of 3521073245121 is 1215423701253.

3521073245121 is a `hidden beast` number, since 3 + 5 + 2 + 107 + 32 + 4 + 512 + 1 = 666.

3521073245121 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 3521073245121 - 2¹ = 3521073245119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3521073245021) 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, 127755771 + ... + 127783328.

It is an arithmetic number, because the mean of its divisors is an integer number (424109726300).

Almost surely, 2^{3521073245121} is an apocalyptic number.

It is an amenable number.

3521073245121 is a deficient number, since it is larger than the sum of its proper divisors (1568243470479).

3521073245121 is a wasteful number, since it uses less digits than its factorization.

3521073245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255540636 (or 255540633 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 3521073245121 its reverse (1215423701253), we get a palindrome (4736496946374).

The spelling of 3521073245121 in words is "three trillion, five hundred twenty-one billion, seventy-three million, two hundred forty-five thousand, one hundred twenty-one".