11121101000129 has 2 divisors, whose sum is σ = 11121101000130. Its totient is φ = 11121101000128.

The previous prime is 11121101000077. The next prime is 11121101000159. The reversal of 11121101000129 is 92100010112111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6929450788225 + 4191650211904 = 2632385^2 + 2047352^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121101000129 - 2²⁰ = 11121099951553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121101000129.

It is not a weakly prime, because it can be changed into another prime (11121101000159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560550500064 + 5560550500065.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550500065).

Almost surely, 2^{11121101000129} is an apocalyptic number.

It is an amenable number.

11121101000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121101000129 is an equidigital number, since it uses as much as digits as its factorization.

11121101000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11121101000129 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-nine", and thus it is an aban number.