11105998229 has 2 divisors, whose sum is σ = 11105998230. Its totient is φ = 11105998228.

The previous prime is 11105998193. The next prime is 11105998243. The reversal of 11105998229 is 92289950111.

11105998229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11105998225 + 4 = 105385^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11105998229 is a prime.

It is a super-2 number, since 2×11105998229² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11105998129) 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, 5552999114 + 5552999115.

It is an arithmetic number, because the mean of its divisors is an integer number (5552999115).

Almost surely, 2^11105998229 is an apocalyptic number.

It is an amenable number.

11105998229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105998229 is an equidigital number, since it uses as much as digits as its factorization.

11105998229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 11105998229 in words is "eleven billion, one hundred five million, nine hundred ninety-eight thousand, two hundred twenty-nine".