3112303321121 has 2 divisors, whose sum is σ = 3112303321122. Its totient is φ = 3112303321120.

The previous prime is 3112303321117. The next prime is 3112303321139. The reversal of 3112303321121 is 1211233032113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648820356096 + 1463482965025 = 1284064^2 + 1209745^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112303321121 - 2² = 3112303321117 is a prime.

It is not a weakly prime, because it can be changed into another prime (3112303321151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556151660560 + 1556151660561.

It is an arithmetic number, because the mean of its divisors is an integer number (1556151660561).

Almost surely, 2^{3112303321121} is an apocalyptic number.

It is an amenable number.

3112303321121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112303321121 is an equidigital number, since it uses as much as digits as its factorization.

3112303321121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3112303321121 its reverse (1211233032113), we get a palindrome (4323536353234).

The spelling of 3112303321121 in words is "three trillion, one hundred twelve billion, three hundred three million, three hundred twenty-one thousand, one hundred twenty-one".