11121103211 has 2 divisors, whose sum is σ = 11121103212. Its totient is φ = 11121103210.

The previous prime is 11121103171. The next prime is 11121103241. The reversal of 11121103211 is 11230112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121103211 - 2¹⁴ = 11121086827 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121103241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560551605 + 5560551606.

It is an arithmetic number, because the mean of its divisors is an integer number (5560551606).

Almost surely, 2^11121103211 is an apocalyptic number.

11121103211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121103211 is an equidigital number, since it uses as much as digits as its factorization.

11121103211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121103211 its reverse (11230112111), we get a palindrome (22351215322).

The spelling of 11121103211 in words is "eleven billion, one hundred twenty-one million, one hundred three thousand, two hundred eleven".