11124411121 has 2 divisors, whose sum is σ = 11124411122. Its totient is φ = 11124411120.

The previous prime is 11124411079. The next prime is 11124411131. The reversal of 11124411121 is 12111442111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7741360225 + 3383050896 = 87985^2 + 58164^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124411121 - 2¹⁷ = 11124280049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11124411131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562205560 + 5562205561.

It is an arithmetic number, because the mean of its divisors is an integer number (5562205561).

Almost surely, 2^11124411121 is an apocalyptic number.

It is an amenable number.

11124411121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124411121 is an equidigital number, since it uses as much as digits as its factorization.

11124411121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 19.

Adding to 11124411121 its reverse (12111442111), we get a palindrome (23235853232).

The spelling of 11124411121 in words is "eleven billion, one hundred twenty-four million, four hundred eleven thousand, one hundred twenty-one".