1013001330221 has 4 divisors (see below), whose sum is σ = 1013004933600. Its totient is φ = 1012997726844.

The previous prime is 1013001330217. The next prime is 1013001330269. The reversal of 1013001330221 is 1220331003101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013001330221 - 2² = 1013001330217 is a prime.

It is a super-3 number, since 3×1013001330221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013001330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013001330281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340681 + ... + 1955358.

It is an arithmetic number, because the mean of its divisors is an integer number (253251233400).

Almost surely, 2^{1013001330221} is an apocalyptic number.

It is an amenable number.

1013001330221 is a deficient number, since it is larger than the sum of its proper divisors (3603379).

1013001330221 is an equidigital number, since it uses as much as digits as its factorization.

1013001330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603378.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013001330221 its reverse (1220331003101), we get a palindrome (2233332333322).

The spelling of 1013001330221 in words is "one trillion, thirteen billion, one million, three hundred thirty thousand, two hundred twenty-one".