1121110222289 has 2 divisors, whose sum is σ = 1121110222290. Its totient is φ = 1121110222288.

The previous prime is 1121110222181. The next prime is 1121110222343. The reversal of 1121110222289 is 9822220111211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674725887889 + 446384334400 = 821417^2 + 668120^2 .

It is an emirp because it is prime and its reverse (9822220111211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121110222289 - 2²⁰ = 1121109173713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121110228289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555111144 + 560555111145.

It is an arithmetic number, because the mean of its divisors is an integer number (560555111145).

Almost surely, 2^{1121110222289} is an apocalyptic number.

It is an amenable number.

1121110222289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121110222289 is an equidigital number, since it uses as much as digits as its factorization.

1121110222289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 1121110222289 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, two hundred eighty-nine".