1120442111 has 2 divisors, whose sum is σ = 1120442112. Its totient is φ = 1120442110.

The previous prime is 1120442107. The next prime is 1120442153. The reversal of 1120442111 is 1112440211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120442111 - 2² = 1120442107 is a prime.

It is a super-3 number, since 3×1120442111³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1120442111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120442311) 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, 560221055 + 560221056.

It is an arithmetic number, because the mean of its divisors is an integer number (560221056).

Almost surely, 2^1120442111 is an apocalyptic number.

1120442111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120442111 is an equidigital number, since it uses as much as digits as its factorization.

1120442111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1120442111 is about 33473.0057060910. The cubic root of 1120442111 is about 1038.6354487489.

Adding to 1120442111 its reverse (1112440211), we get a palindrome (2232882322).

The spelling of 1120442111 in words is "one billion, one hundred twenty million, four hundred forty-two thousand, one hundred eleven".