3030213010021 has 4 divisors (see below), whose sum is σ = 3034133079372. Its totient is φ = 3026292940672.

The previous prime is 3030213010007. The next prime is 3030213010103. The reversal of 3030213010021 is 1200103120303.

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 182253001921 + 2847960008100 = 426911^2 + 1687590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030213010021 - 2¹⁹ = 3030212485733 is a prime.

It is a super-2 number, since 2×3030213010021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030213009977 and 3030213010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030213010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960033516 + ... + 1960035061.

It is an arithmetic number, because the mean of its divisors is an integer number (758533269843).

Almost surely, 2^{3030213010021} is an apocalyptic number.

It is an amenable number.

3030213010021 is a deficient number, since it is larger than the sum of its proper divisors (3920069351).

3030213010021 is an equidigital number, since it uses as much as digits as its factorization.

3030213010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920069350.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 3030213010021 its reverse (1200103120303), we get a palindrome (4230316130324).

The spelling of 3030213010021 in words is "three trillion, thirty billion, two hundred thirteen million, ten thousand, twenty-one".