3103322220221 has 2 divisors, whose sum is σ = 3103322220222. Its totient is φ = 3103322220220.

The previous prime is 3103322220139. The next prime is 3103322220239. The reversal of 3103322220221 is 1220222233013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2945133067321 + 158189152900 = 1716139^2 + 397730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103322220221 - 2²² = 3103318025917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103322220821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551661110110 + 1551661110111.

It is an arithmetic number, because the mean of its divisors is an integer number (1551661110111).

Almost surely, 2^{3103322220221} is an apocalyptic number.

It is an amenable number.

3103322220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103322220221 is an equidigital number, since it uses as much as digits as its factorization.

3103322220221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3103322220221 its reverse (1220222233013), we get a palindrome (4323544453234).

The spelling of 3103322220221 in words is "three trillion, one hundred three billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".