1013011321225 has 12 divisors (see below), whose sum is σ = 1256347017216. Its totient is φ = 810271651280.

The previous prime is 1013011321169. The next prime is 1013011321229. The reversal of 1013011321225 is 5221231103101.

1013011321225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1013011321225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013011321196 and 1013011321205.

It is not an unprimeable number, because it can be changed into a prime (1013011321229) 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, 3284617 + ... + 3579766.

It is an arithmetic number, because the mean of its divisors is an integer number (104695584768).

Almost surely, 2^{1013011321225} is an apocalyptic number.

It is an amenable number.

1013011321225 is a deficient number, since it is larger than the sum of its proper divisors (243335695991).

1013011321225 is an equidigital number, since it uses as much as digits as its factorization.

1013011321225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870296 (or 6870291 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1013011321225 its reverse (5221231103101), we get a palindrome (6234242424326).

The spelling of 1013011321225 in words is "one trillion, thirteen billion, eleven million, three hundred twenty-one thousand, two hundred twenty-five".