11122122009949 has 2 divisors, whose sum is σ = 11122122009950. Its totient is φ = 11122122009948.

The previous prime is 11122122009931. The next prime is 11122122010007. The reversal of 11122122009949 is 94990022122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10650386561049 + 471735448900 = 3263493^2 + 686830^2 .

It is an emirp because it is prime and its reverse (94990022122111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11122122009949 - 2⁹ = 11122122009437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122122009149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561061004974 + 5561061004975.

It is an arithmetic number, because the mean of its divisors is an integer number (5561061004975).

Almost surely, 2^{11122122009949} is an apocalyptic number.

It is an amenable number.

11122122009949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122122009949 is an equidigital number, since it uses as much as digits as its factorization.

11122122009949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 11122122009949 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, nine thousand, nine hundred forty-nine".