1101005011 has 2 divisors, whose sum is σ = 1101005012. Its totient is φ = 1101005010.

The previous prime is 1101004997. The next prime is 1101005057. The reversal of 1101005011 is 1105001011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101005011 - 2¹¹ = 1101002963 is a prime.

It is a super-2 number, since 2×1101005011² = 2424424068494220242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101005071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550502505 + 550502506.

It is an arithmetic number, because the mean of its divisors is an integer number (550502506).

Almost surely, 2^1101005011 is an apocalyptic number.

1101005011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101005011 is an equidigital number, since it uses as much as digits as its factorization.

1101005011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 10.

The square root of 1101005011 is about 33181.3955553409. The cubic root of 1101005011 is about 1032.5943994189.

Adding to 1101005011 its reverse (1105001011), we get a palindrome (2206006022).

The spelling of 1101005011 in words is "one billion, one hundred one million, five thousand, eleven".