11212331099 has 2 divisors, whose sum is σ = 11212331100. Its totient is φ = 11212331098.

The previous prime is 11212331089. The next prime is 11212331159. The reversal of 11212331099 is 99013321211.

It is a happy number.

11212331099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212331099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212331089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606165549 + 5606165550.

It is an arithmetic number, because the mean of its divisors is an integer number (5606165550).

Almost surely, 2^11212331099 is an apocalyptic number.

11212331099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212331099 is an equidigital number, since it uses as much as digits as its factorization.

11212331099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 11212331099 in words is "eleven billion, two hundred twelve million, three hundred thirty-one thousand, ninety-nine".