11212010002909 has 2 divisors, whose sum is σ = 11212010002910. Its totient is φ = 11212010002908.

The previous prime is 11212010002903. The next prime is 11212010002943. The reversal of 11212010002909 is 90920001021211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11051116759684 + 160893243225 = 3324322^2 + 401115^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212010002909 - 2³ = 11212010002901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212010002901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606005001454 + 5606005001455.

It is an arithmetic number, because the mean of its divisors is an integer number (5606005001455).

Almost surely, 2^{11212010002909} is an apocalyptic number.

It is an amenable number.

11212010002909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212010002909 is an equidigital number, since it uses as much as digits as its factorization.

11212010002909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 11212010002909 in words is "eleven trillion, two hundred twelve billion, ten million, two thousand, nine hundred nine".