11001120211009 has 2 divisors, whose sum is σ = 11001120211010. Its totient is φ = 11001120211008.

The previous prime is 11001120210979. The next prime is 11001120211079. The reversal of 11001120211009 is 90011202110011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10811581881409 + 189538329600 = 3288097^2 + 435360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001120211009 - 2¹³ = 11001120202817 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001120211079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500560105504 + 5500560105505.

It is an arithmetic number, because the mean of its divisors is an integer number (5500560105505).

Almost surely, 2^{11001120211009} is an apocalyptic number.

It is an amenable number.

11001120211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001120211009 is an equidigital number, since it uses as much as digits as its factorization.

11001120211009 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 19.

The spelling of 11001120211009 in words is "eleven trillion, one billion, one hundred twenty million, two hundred eleven thousand, nine".