331002120221141 has 2 divisors, whose sum is σ = 331002120221142. Its totient is φ = 331002120221140.

The previous prime is 331002120221089. The next prime is 331002120221183. The reversal of 331002120221141 is 141122021200133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322845789768100 + 8156330453041 = 17967910^2 + 2855929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331002120221141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331002120221191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165501060110570 + 165501060110571.

It is an arithmetic number, because the mean of its divisors is an integer number (165501060110571).

Almost surely, 2^{331002120221141} is an apocalyptic number.

It is an amenable number.

331002120221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

331002120221141 is an equidigital number, since it uses as much as digits as its factorization.

331002120221141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 331002120221141 its reverse (141122021200133), we get a palindrome (472124141421274).

The spelling of 331002120221141 in words is "three hundred thirty-one trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred forty-one".