1320011131133 has 2 divisors, whose sum is σ = 1320011131134. Its totient is φ = 1320011131132.

The previous prime is 1320011131123. The next prime is 1320011131141. The reversal of 1320011131133 is 3311311100231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136735527684 + 183275603449 = 1066178^2 + 428107^2 .

It is an emirp because it is prime and its reverse (3311311100231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320011131133 - 2⁶ = 1320011131069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320011131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660005565566 + 660005565567.

It is an arithmetic number, because the mean of its divisors is an integer number (660005565567).

Almost surely, 2^{1320011131133} is an apocalyptic number.

It is an amenable number.

1320011131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320011131133 is an equidigital number, since it uses as much as digits as its factorization.

1320011131133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1320011131133 its reverse (3311311100231), we get a palindrome (4631322231364).

The spelling of 1320011131133 in words is "one trillion, three hundred twenty billion, eleven million, one hundred thirty-one thousand, one hundred thirty-three".