1121120120111 has 2 divisors, whose sum is σ = 1121120120112. Its totient is φ = 1121120120110.

The previous prime is 1121120119997. The next prime is 1121120120129. The reversal of 1121120120111 is 1110210211211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1110210211211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121120120111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121120140111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560060055 + 560560060056.

It is an arithmetic number, because the mean of its divisors is an integer number (560560060056).

Almost surely, 2^{1121120120111} is an apocalyptic number.

1121120120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120120111 is an equidigital number, since it uses as much as digits as its factorization.

1121120120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121120120111 its reverse (1110210211211), we get a palindrome (2231330331322).

The spelling of 1121120120111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".