13121133321011 has 2 divisors, whose sum is σ = 13121133321012. Its totient is φ = 13121133321010.

The previous prime is 13121133320963. The next prime is 13121133321053. The reversal of 13121133321011 is 11012333112131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13121133321011 - 2¹⁸ = 13121133058867 is a prime.

It is not a weakly prime, because it can be changed into another prime (13121133321091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560566660505 + 6560566660506.

It is an arithmetic number, because the mean of its divisors is an integer number (6560566660506).

Almost surely, 2^{13121133321011} is an apocalyptic number.

13121133321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121133321011 is an equidigital number, since it uses as much as digits as its factorization.

13121133321011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13121133321011 its reverse (11012333112131), we get a palindrome (24133466433142).

The spelling of 13121133321011 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred twenty-one thousand, eleven".