1121122229111 has 2 divisors, whose sum is σ = 1121122229112. Its totient is φ = 1121122229110.

The previous prime is 1121122229099. The next prime is 1121122229189. The reversal of 1121122229111 is 1119222211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121122229111 - 2⁶ = 1121122229047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121122220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561114555 + 560561114556.

It is an arithmetic number, because the mean of its divisors is an integer number (560561114556).

Almost surely, 2^{1121122229111} is an apocalyptic number.

1121122229111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121122229111 is an equidigital number, since it uses as much as digits as its factorization.

1121122229111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 26.

The spelling of 1121122229111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-nine thousand, one hundred eleven".