1300030021021 has 8 divisors (see below), whose sum is σ = 1345564250624. Its totient is φ = 1254720652560.

The previous prime is 1300030021007. The next prime is 1300030021049. The reversal of 1300030021021 is 1201200300031.

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

It is not a de Polignac number, because 1300030021021 - 2⁷ = 1300030020893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300030020992 and 1300030021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300030001021) 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, 56203521 + ... + 56226646.

It is an arithmetic number, because the mean of its divisors is an integer number (168195531328).

Almost surely, 2^{1300030021021} is an apocalyptic number.

It is an amenable number.

1300030021021 is a deficient number, since it is larger than the sum of its proper divisors (45534229603).

1300030021021 is a wasteful number, since it uses less digits than its factorization.

1300030021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112430571.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1300030021021 its reverse (1201200300031), we get a palindrome (2501230321052).

The spelling of 1300030021021 in words is "one trillion, three hundred billion, thirty million, twenty-one thousand, twenty-one".