11101320121043 has 2 divisors, whose sum is σ = 11101320121044. Its totient is φ = 11101320121042.

The previous prime is 11101320120977. The next prime is 11101320121057. The reversal of 11101320121043 is 34012102310111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101320121043 - 2¹⁰ = 11101320120019 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101320121943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550660060521 + 5550660060522.

It is an arithmetic number, because the mean of its divisors is an integer number (5550660060522).

Almost surely, 2^{11101320121043} is an apocalyptic number.

11101320121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101320121043 is an equidigital number, since it uses as much as digits as its factorization.

11101320121043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11101320121043 its reverse (34012102310111), we get a palindrome (45113422431154).

The spelling of 11101320121043 in words is "eleven trillion, one hundred one billion, three hundred twenty million, one hundred twenty-one thousand, forty-three".