1121122207111 has 2 divisors, whose sum is σ = 1121122207112. Its totient is φ = 1121122207110.

The previous prime is 1121122207109. The next prime is 1121122207151. The reversal of 1121122207111 is 1117022211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121122207111 - 2¹ = 1121122207109 is a prime.

Together with 1121122207109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121122207151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561103555 + 560561103556.

It is an arithmetic number, because the mean of its divisors is an integer number (560561103556).

Almost surely, 2^{1121122207111} is an apocalyptic number.

1121122207111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121122207111 is an equidigital number, since it uses as much as digits as its factorization.

1121122207111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 1121122207111 its reverse (1117022211211), we get a palindrome (2238144418322).

The spelling of 1121122207111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred seven thousand, one hundred eleven".