11121101221169 has 2 divisors, whose sum is σ = 11121101221170. Its totient is φ = 11121101221168.

The previous prime is 11121101221159. The next prime is 11121101221213. The reversal of 11121101221169 is 96112210112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6783482758144 + 4337618463025 = 2604512^2 + 2082695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121101221169 is a prime.

It is a super-2 number, since 2×11121101221169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121101221159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560550610584 + 5560550610585.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550610585).

Almost surely, 2^{11121101221169} is an apocalyptic number.

It is an amenable number.

11121101221169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121101221169 is an equidigital number, since it uses as much as digits as its factorization.

11121101221169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 29.

The spelling of 11121101221169 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, one hundred sixty-nine".