11011001120129 has 2 divisors, whose sum is σ = 11011001120130. Its totient is φ = 11011001120128.

The previous prime is 11011001120087. The next prime is 11011001120143. The reversal of 11011001120129 is 92102110011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9556432457104 + 1454568663025 = 3091348^2 + 1206055^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011001120129 - 2²⁰ = 11011000071553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011001120129.

It is not a weakly prime, because it can be changed into another prime (11011001320129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500560064 + 5505500560065.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500560065).

Almost surely, 2^{11011001120129} is an apocalyptic number.

It is an amenable number.

11011001120129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011001120129 is an equidigital number, since it uses as much as digits as its factorization.

11011001120129 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11011001120129 in words is "eleven trillion, eleven billion, one million, one hundred twenty thousand, one hundred twenty-nine".