1013521205522 has 16 divisors (see below), whose sum is σ = 1739380562880. Its totient is φ = 433887321168.

The previous prime is 1013521205509. The next prime is 1013521205527. The reversal of 1013521205522 is 2255021253101.

It is a happy number.

1013521205522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1013521205527) 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, 39895997 + ... + 39921392.

It is an arithmetic number, because the mean of its divisors is an integer number (108711285180).

Almost surely, 2^{1013521205522} is an apocalyptic number.

1013521205522 is a deficient number, since it is larger than the sum of its proper divisors (725859357358).

1013521205522 is an equidigital number, since it uses as much as digits as its factorization.

1013521205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79818305.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 1013521205522 its reverse (2255021253101), we get a palindrome (3268542458623).

The spelling of 1013521205522 in words is "one trillion, thirteen billion, five hundred twenty-one million, two hundred five thousand, five hundred twenty-two".