3120223221021 has 16 divisors (see below), whose sum is σ = 4405128819264. Its totient is φ = 1957739207424.

The previous prime is 3120223221019. The next prime is 3120223221023. The reversal of 3120223221021 is 1201223220213.

It is an interprime number because it is at equal distance from previous prime (3120223221019) and next prime (3120223221023).

It is not a de Polignac number, because 3120223221021 - 2¹ = 3120223221019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120223221023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416595 + ... + 2871791.

It is an arithmetic number, because the mean of its divisors is an integer number (275320551204).

Almost surely, 2^{3120223221021} is an apocalyptic number.

It is an amenable number.

3120223221021 is a deficient number, since it is larger than the sum of its proper divisors (1284905598243).

3120223221021 is a wasteful number, since it uses less digits than its factorization.

3120223221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497260.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3120223221021 its reverse (1201223220213), we get a palindrome (4321446441234).

The spelling of 3120223221021 in words is "three trillion, one hundred twenty billion, two hundred twenty-three million, two hundred twenty-one thousand, twenty-one".