1121342011 has 2 divisors, whose sum is σ = 1121342012. Its totient is φ = 1121342010.

The previous prime is 1121341999. The next prime is 1121342059. The reversal of 1121342011 is 1102431211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121342011 - 2¹¹ = 1121339963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121342071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560671005 + 560671006.

It is an arithmetic number, because the mean of its divisors is an integer number (560671006).

Almost surely, 2^1121342011 is an apocalyptic number.

1121342011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121342011 is an equidigital number, since it uses as much as digits as its factorization.

1121342011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1121342011 is about 33486.4451830886. The cubic root of 1121342011 is about 1038.9134395860.

Adding to 1121342011 its reverse (1102431211), we get a palindrome (2223773222).

The spelling of 1121342011 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, eleven".