11430220111 has 2 divisors, whose sum is σ = 11430220112. Its totient is φ = 11430220110.

The previous prime is 11430220063. The next prime is 11430220117. The reversal of 11430220111 is 11102203411.

11430220111 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 is a cyclic number.

It is not a de Polignac number, because 11430220111 - 2¹⁵ = 11430187343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11430220117) 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, 5715110055 + 5715110056.

It is an arithmetic number, because the mean of its divisors is an integer number (5715110056).

Almost surely, 2^11430220111 is an apocalyptic number.

11430220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430220111 is an equidigital number, since it uses as much as digits as its factorization.

11430220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11430220111 its reverse (11102203411), we get a palindrome (22532423522).

The spelling of 11430220111 in words is "eleven billion, four hundred thirty million, two hundred twenty thousand, one hundred eleven".