1331231210011 has 2 divisors, whose sum is σ = 1331231210012. Its totient is φ = 1331231210010.

The previous prime is 1331231209969. The next prime is 1331231210017. The reversal of 1331231210011 is 1100121321331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331231210011 - 2¹¹ = 1331231207963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331231210017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665615605005 + 665615605006.

It is an arithmetic number, because the mean of its divisors is an integer number (665615605006).

Almost surely, 2^{1331231210011} is an apocalyptic number.

1331231210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331231210011 is an equidigital number, since it uses as much as digits as its factorization.

1331231210011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1331231210011 its reverse (1100121321331), we get a palindrome (2431352531342).

The spelling of 1331231210011 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-one million, two hundred ten thousand, eleven".