11121100169 has 2 divisors, whose sum is σ = 11121100170. Its totient is φ = 11121100168.

The previous prime is 11121100163. The next prime is 11121100183. The reversal of 11121100169 is 96100112111.

11121100169 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 can be written as a sum of positive squares in only one way, i.e., 7061881225 + 4059218944 = 84035^2 + 63712^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121100169 - 2⁴ = 11121100153 is a prime.

It is a super-2 number, since 2×11121100169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121100163) 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, 5560550084 + 5560550085.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550085).

Almost surely, 2^11121100169 is an apocalyptic number.

It is an amenable number.

11121100169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121100169 is an equidigital number, since it uses as much as digits as its factorization.

11121100169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 11121100169 in words is "eleven billion, one hundred twenty-one million, one hundred thousand, one hundred sixty-nine".