11012201002009 has 2 divisors, whose sum is σ = 11012201002010. Its totient is φ = 11012201002008.

The previous prime is 11012201001979. The next prime is 11012201002051. The reversal of 11012201002009 is 90020010221011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8492981289984 + 2519219712025 = 2914272^2 + 1587205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012201002009 - 2¹³ = 11012200993817 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012201002079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506100501004 + 5506100501005.

It is an arithmetic number, because the mean of its divisors is an integer number (5506100501005).

Almost surely, 2^{11012201002009} is an apocalyptic number.

It is an amenable number.

11012201002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012201002009 is an equidigital number, since it uses as much as digits as its factorization.

11012201002009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11012201002009 in words is "eleven trillion, twelve billion, two hundred one million, two thousand, nine".