3120320330121 has 16 divisors (see below), whose sum is σ = 4427519336064. Its totient is φ = 1947909729024.

The previous prime is 3120320330119. The next prime is 3120320330123. The reversal of 3120320330121 is 1210330230213.

It is an interprime number because it is at equal distance from previous prime (3120320330119) and next prime (3120320330123).

It is not a de Polignac number, because 3120320330121 - 2¹ = 3120320330119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3120320330123) 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, 155276125 + ... + 155296218.

It is an arithmetic number, because the mean of its divisors is an integer number (276719958504).

Almost surely, 2^{3120320330121} is an apocalyptic number.

It is an amenable number.

3120320330121 is a deficient number, since it is larger than the sum of its proper divisors (1307199005943).

3120320330121 is a wasteful number, since it uses less digits than its factorization.

3120320330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310572560.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3120320330121 its reverse (1210330230213), we get a palindrome (4330650560334).

The spelling of 3120320330121 in words is "three trillion, one hundred twenty billion, three hundred twenty million, three hundred thirty thousand, one hundred twenty-one".