1320220302101 has 2 divisors, whose sum is σ = 1320220302102. Its totient is φ = 1320220302100.

The previous prime is 1320220302061. The next prime is 1320220302139. The reversal of 1320220302101 is 1012030220231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889011379876 + 431208922225 = 942874^2 + 656665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320220302101 - 2¹⁰ = 1320220301077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320220302101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320220302901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110151050 + 660110151051.

It is an arithmetic number, because the mean of its divisors is an integer number (660110151051).

Almost surely, 2^{1320220302101} is an apocalyptic number.

It is an amenable number.

1320220302101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320220302101 is an equidigital number, since it uses as much as digits as its factorization.

1320220302101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1320220302101 its reverse (1012030220231), we get a palindrome (2332250522332).

The spelling of 1320220302101 in words is "one trillion, three hundred twenty billion, two hundred twenty million, three hundred two thousand, one hundred one".