3130221041221 has 8 divisors (see below), whose sum is σ = 3183329966400. Its totient is φ = 3077113927200.

The previous prime is 3130221041191. The next prime is 3130221041251. The reversal of 3130221041221 is 1221401220313.

It is an interprime number because it is at equal distance from previous prime (3130221041191) and next prime (3130221041251).

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

It is a cyclic number.

It is not a de Polignac number, because 3130221041221 - 2¹⁹ = 3130220516933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3130221041192 and 3130221041201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130221041251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293896 + ... + 4136446.

It is an arithmetic number, because the mean of its divisors is an integer number (397916245800).

Almost surely, 2^{3130221041221} is an apocalyptic number.

It is an amenable number.

3130221041221 is a deficient number, since it is larger than the sum of its proper divisors (53108925179).

3130221041221 is an equidigital number, since it uses as much as digits as its factorization.

3130221041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905579.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3130221041221 its reverse (1221401220313), we get a palindrome (4351622261534).

The spelling of 3130221041221 in words is "three trillion, one hundred thirty billion, two hundred twenty-one million, forty-one thousand, two hundred twenty-one".