11111202010009 has 2 divisors, whose sum is σ = 11111202010010. Its totient is φ = 11111202010008.

The previous prime is 11111202009997. The next prime is 11111202010019. The reversal of 11111202010009 is 90001020211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6243861507984 + 4867340502025 = 2498772^2 + 2206205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111202010009 - 2³³ = 11102612075417 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111202010019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555601005004 + 5555601005005.

It is an arithmetic number, because the mean of its divisors is an integer number (5555601005005).

Almost surely, 2^{11111202010009} is an apocalyptic number.

It is an amenable number.

11111202010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111202010009 is an equidigital number, since it uses as much as digits as its factorization.

11111202010009 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 11111202010009 in words is "eleven trillion, one hundred eleven billion, two hundred two million, ten thousand, nine".