1220303322241 has 2 divisors, whose sum is σ = 1220303322242. Its totient is φ = 1220303322240.

The previous prime is 1220303322193. The next prime is 1220303322289. The reversal of 1220303322241 is 1422233030221.

It is a balanced prime because it is at equal distance from previous prime (1220303322193) and next prime (1220303322289).

It can be written as a sum of positive squares in only one way, i.e., 689889715216 + 530413607025 = 830596^2 + 728295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220303322241 - 2¹³ = 1220303314049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220303323241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151661120 + 610151661121.

It is an arithmetic number, because the mean of its divisors is an integer number (610151661121).

Almost surely, 2^{1220303322241} is an apocalyptic number.

It is an amenable number.

1220303322241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220303322241 is an equidigital number, since it uses as much as digits as its factorization.

1220303322241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220303322241 its reverse (1422233030221), we get a palindrome (2642536352462).

The spelling of 1220303322241 in words is "one trillion, two hundred twenty billion, three hundred three million, three hundred twenty-two thousand, two hundred forty-one".