10030321301221 has 4 divisors (see below), whose sum is σ = 10801884478252. Its totient is φ = 9258758124192.

The previous prime is 10030321301191. The next prime is 10030321301249. The reversal of 10030321301221 is 12210312303001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6743442950596 + 3286878350625 = 2596814^2 + 1812975^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030321301221 - 2²⁵ = 10030287746789 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 (10030321301261) 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, 385781588496 + ... + 385781588521.

It is an arithmetic number, because the mean of its divisors is an integer number (2700471119563).

Almost surely, 2^{10030321301221} is an apocalyptic number.

It is an amenable number.

10030321301221 is a deficient number, since it is larger than the sum of its proper divisors (771563177031).

10030321301221 is an equidigital number, since it uses as much as digits as its factorization.

10030321301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771563177030.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10030321301221 its reverse (12210312303001), we get a palindrome (22240633604222).

The spelling of 10030321301221 in words is "ten trillion, thirty billion, three hundred twenty-one million, three hundred one thousand, two hundred twenty-one".