13021320123011 has 2 divisors, whose sum is σ = 13021320123012. Its totient is φ = 13021320123010.

The previous prime is 13021320122999. The next prime is 13021320123037. The reversal of 13021320123011 is 11032102312031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11032102312031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13021320123011 - 2²² = 13021315928707 is a prime.

It is a super-2 number, since 2×13021320123011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13021020123011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510660061505 + 6510660061506.

It is an arithmetic number, because the mean of its divisors is an integer number (6510660061506).

Almost surely, 2^{13021320123011} is an apocalyptic number.

13021320123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021320123011 is an equidigital number, since it uses as much as digits as its factorization.

13021320123011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13021320123011 its reverse (11032102312031), we get a palindrome (24053422435042).

The spelling of 13021320123011 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred twenty-three thousand, eleven".