1013221311003 has 18 divisors (see below), whose sum is σ = 1608686546012. Its totient is φ = 614073521160.

The previous prime is 1013221311001. The next prime is 1013221311007. The reversal of 1013221311003 is 3001131223101.

1013221311003 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 1013221311003 - 2¹ = 1013221311001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013221311001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 465206125 + ... + 465208302.

Almost surely, 2^{1013221311003} is an apocalyptic number.

1013221311003 is a deficient number, since it is larger than the sum of its proper divisors (595465235009).

1013221311003 is a wasteful number, since it uses less digits than its factorization.

1013221311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930414455 (or 930414441 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1013221311003 its reverse (3001131223101), we get a palindrome (4014352534104).

The spelling of 1013221311003 in words is "one trillion, thirteen billion, two hundred twenty-one million, three hundred eleven thousand, three".