3113002002221 has 2 divisors, whose sum is σ = 3113002002222. Its totient is φ = 3113002002220.

The previous prime is 3113002002169. The next prime is 3113002002269. The reversal of 3113002002221 is 1222002003113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2625534122500 + 487467879721 = 1620350^2 + 698189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113002002221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113002002221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113002002281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556501001110 + 1556501001111.

It is an arithmetic number, because the mean of its divisors is an integer number (1556501001111).

Almost surely, 2^{3113002002221} is an apocalyptic number.

It is an amenable number.

3113002002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113002002221 is an equidigital number, since it uses as much as digits as its factorization.

3113002002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3113002002221 its reverse (1222002003113), we get a palindrome (4335004005334).

The spelling of 3113002002221 in words is "three trillion, one hundred thirteen billion, two million, two thousand, two hundred twenty-one".