3030121230221 has 4 divisors (see below), whose sum is σ = 3032708866944. Its totient is φ = 3027533593500.

The previous prime is 3030121230209. The next prime is 3030121230233. The reversal of 3030121230221 is 1220321210303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3030121230209) and next prime (3030121230233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3030121230221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030121230193 and 3030121230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030121230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293816605 + ... + 1293818946.

It is an arithmetic number, because the mean of its divisors is an integer number (758177216736).

Almost surely, 2^{3030121230221} is an apocalyptic number.

It is an amenable number.

3030121230221 is a deficient number, since it is larger than the sum of its proper divisors (2587636723).

3030121230221 is a wasteful number, since it uses less digits than its factorization.

3030121230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587636722.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3030121230221 its reverse (1220321210303), we get a palindrome (4250442440524).

The spelling of 3030121230221 in words is "three trillion, thirty billion, one hundred twenty-one million, two hundred thirty thousand, two hundred twenty-one".