1101010101011 has 2 divisors, whose sum is σ = 1101010101012. Its totient is φ = 1101010101010.

The previous prime is 1101010100989. The next prime is 1101010101031.

1101010101011 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101010101011 is a prime.

1101010101011 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 1101010101011.

It is not a weakly prime, because it can be changed into another prime (1101010101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505050505 + 550505050506.

It is an arithmetic number, because the mean of its divisors is an integer number (550505050506).

Almost surely, 2^{1101010101011} is an apocalyptic number.

1101010101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101010101011 is an equidigital number, since it uses as much as digits as its factorization.

1101010101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 8.

It can be divided in two parts, 1101010 and 101011, that added together give a palindrome (1202021).

The spelling of 1101010101011 in words is "one trillion, one hundred one billion, ten million, one hundred one thousand, eleven".