1121032111 has 2 divisors, whose sum is σ = 1121032112. Its totient is φ = 1121032110.

The previous prime is 1121032093. The next prime is 1121032117. The reversal of 1121032111 is 1112301211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121032111 - 2⁹ = 1121031599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121032091 and 1121032100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121032117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560516055 + 560516056.

It is an arithmetic number, because the mean of its divisors is an integer number (560516056).

Almost surely, 2^1121032111 is an apocalyptic number.

1121032111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121032111 is an equidigital number, since it uses as much as digits as its factorization.

1121032111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121032111 is about 33481.8176179251. The cubic root of 1121032111 is about 1038.8177242331.

Adding to 1121032111 its reverse (1112301211), we get a palindrome (2233333322).

The spelling of 1121032111 in words is "one billion, one hundred twenty-one million, thirty-two thousand, one hundred eleven".