10013001221 has 8 divisors (see below), whose sum is σ = 10182681600. Its totient is φ = 9843499440.

The previous prime is 10013001169. The next prime is 10013001223. The reversal of 10013001221 is 12210031001.

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 10013001221 - 2⁶ = 10013001157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70940 + ... + 158298.

It is an arithmetic number, because the mean of its divisors is an integer number (1272835200).

Almost surely, 2^10013001221 is an apocalyptic number.

It is an amenable number.

10013001221 is a deficient number, since it is larger than the sum of its proper divisors (169680379).

10013001221 is an equidigital number, since it uses as much as digits as its factorization.

10013001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89299.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10013001221 its reverse (12210031001), we get a palindrome (22223032222).

The spelling of 10013001221 in words is "ten billion, thirteen million, one thousand, two hundred twenty-one".