1320322320101 has 2 divisors, whose sum is σ = 1320322320102. Its totient is φ = 1320322320100.

The previous prime is 1320322320061. The next prime is 1320322320133. The reversal of 1320322320101 is 1010232230231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1222459711201 + 97862608900 = 1105649^2 + 312830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320322320101 - 2¹⁴ = 1320322303717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320322320001) 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, 660161160050 + 660161160051.

It is an arithmetic number, because the mean of its divisors is an integer number (660161160051).

Almost surely, 2^{1320322320101} is an apocalyptic number.

It is an amenable number.

1320322320101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320322320101 is an equidigital number, since it uses as much as digits as its factorization.

1320322320101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1320322320101 its reverse (1010232230231), we get a palindrome (2330554550332).

The spelling of 1320322320101 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, three hundred twenty thousand, one hundred one".