1010013221321 has 8 divisors (see below), whose sum is σ = 1087811976384. Its totient is φ = 932229527760.

The previous prime is 1010013221317. The next prime is 1010013221339. The reversal of 1010013221321 is 1231223100101.

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 1010013221321 - 2² = 1010013221317 is a prime.

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 1010013221321.

It is not an unprimeable number, because it can be changed into a prime (1010013221341) 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, 3625901 + ... + 3894506.

It is an arithmetic number, because the mean of its divisors is an integer number (135976497048).

Almost surely, 2^{1010013221321} is an apocalyptic number.

It is an amenable number.

1010013221321 is a deficient number, since it is larger than the sum of its proper divisors (77798755063).

1010013221321 is a wasteful number, since it uses less digits than its factorization.

1010013221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530751.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1010013221321 its reverse (1231223100101), we get a palindrome (2241236321422).

The spelling of 1010013221321 in words is "one trillion, ten billion, thirteen million, two hundred twenty-one thousand, three hundred twenty-one".