1121000011 has 2 divisors, whose sum is σ = 1121000012. Its totient is φ = 1121000010.

The previous prime is 1120999993. The next prime is 1121000081. The reversal of 1121000011 is 1100001211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1100001211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121000011 - 2¹³ = 1120991819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120999958 and 1121000003.

It is not a weakly prime, because it can be changed into another prime (1121000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500005 + 560500006.

It is an arithmetic number, because the mean of its divisors is an integer number (560500006).

Almost surely, 2^1121000011 is an apocalyptic number.

1121000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121000011 is an equidigital number, since it uses as much as digits as its factorization.

1121000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1121000011 is about 33481.3382498370. The cubic root of 1121000011 is about 1038.8078088563.

Adding to 1121000011 its reverse (1100001211), we get a palindrome (2221001222).

The spelling of 1121000011 in words is "one billion, one hundred twenty-one million, eleven", and thus it is an aban number.