1320243122101 has 2 divisors, whose sum is σ = 1320243122102. Its totient is φ = 1320243122100.

The previous prime is 1320243122053. The next prime is 1320243122117. The reversal of 1320243122101 is 1012213420231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1268436810001 + 51806312100 = 1126249^2 + 227610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320243122101 - 2¹³ = 1320243113909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320243126101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660121561050 + 660121561051.

It is an arithmetic number, because the mean of its divisors is an integer number (660121561051).

Almost surely, 2^{1320243122101} is an apocalyptic number.

It is an amenable number.

1320243122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320243122101 is an equidigital number, since it uses as much as digits as its factorization.

1320243122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1320243122101 its reverse (1012213420231), we get a palindrome (2332456542332).

The spelling of 1320243122101 in words is "one trillion, three hundred twenty billion, two hundred forty-three million, one hundred twenty-two thousand, one hundred one".