1100312011 has 2 divisors, whose sum is σ = 1100312012. Its totient is φ = 1100312010.

The previous prime is 1100312009. The next prime is 1100312027. The reversal of 1100312011 is 1102130011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100312011 - 2¹ = 1100312009 is a prime.

Together with 1100312009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1100312041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550156005 + 550156006.

It is an arithmetic number, because the mean of its divisors is an integer number (550156006).

Almost surely, 2^1100312011 is an apocalyptic number.

1100312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100312011 is an equidigital number, since it uses as much as digits as its factorization.

1100312011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1100312011 is about 33170.9513128581. The cubic root of 1100312011 is about 1032.3777070634.

Adding to 1100312011 its reverse (1102130011), we get a palindrome (2202442022).

The spelling of 1100312011 in words is "one billion, one hundred million, three hundred twelve thousand, eleven".