1013320221321 has 8 divisors (see below), whose sum is σ = 1409836829760. Its totient is φ = 646175213552.

The previous prime is 1013320221293. The next prime is 1013320221337. The reversal of 1013320221321 is 1231220233101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013320221321 - 2⁵ = 1013320221289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013320221421) 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, 7342900086 + ... + 7342900223.

It is an arithmetic number, because the mean of its divisors is an integer number (176229603720).

Almost surely, 2^{1013320221321} is an apocalyptic number.

It is an amenable number.

1013320221321 is a deficient number, since it is larger than the sum of its proper divisors (396516608439).

1013320221321 is a wasteful number, since it uses less digits than its factorization.

1013320221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685800335.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1013320221321 its reverse (1231220233101), we get a palindrome (2244540454422).

The spelling of 1013320221321 in words is "one trillion, thirteen billion, three hundred twenty million, two hundred twenty-one thousand, three hundred twenty-one".