1300221303021 has 36 divisors (see below), whose sum is σ = 2024320738752. Its totient is φ = 803720128752.

The previous prime is 1300221302993. The next prime is 1300221303061. The reversal of 1300221303021 is 1203031220031.

It is not a de Polignac number, because 1300221303021 - 2¹⁵ = 1300221270253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300221302985 and 1300221303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300221303061) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4104651 + ... + 4410056.

It is an arithmetic number, because the mean of its divisors is an integer number (56231131632).

Almost surely, 2^{1300221303021} is an apocalyptic number.

It is an amenable number.

1300221303021 is a deficient number, since it is larger than the sum of its proper divisors (724099435731).

1300221303021 is a wasteful number, since it uses less digits than its factorization.

1300221303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514798 (or 8514776 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1300221303021 its reverse (1203031220031), we get a palindrome (2503252523052).

The spelling of 1300221303021 in words is "one trillion, three hundred billion, two hundred twenty-one million, three hundred three thousand, twenty-one".