1010010101101 has 4 divisors (see below), whose sum is σ = 1026567643804. Its totient is φ = 993452558400.

The previous prime is 1010010101071. The next prime is 1010010101141. The reversal of 1010010101101 is 1011010100101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206889432201 + 803120668900 = 454851^2 + 896170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010010101101 - 2³⁷ = 872571147629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010010101141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8278771260 + ... + 8278771381.

It is an arithmetic number, because the mean of its divisors is an integer number (256641910951).

Almost surely, 2^{1010010101101} is an apocalyptic number.

It is an amenable number.

1010010101101 is a deficient number, since it is larger than the sum of its proper divisors (16557542703).

1010010101101 is an equidigital number, since it uses as much as digits as its factorization.

1010010101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16557542702.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1010010101101 its reverse (1011010100101), we get a palindrome (2021020201202).

It can be divided in two parts, 1010010 and 101101, that added together give a palindrome (1111111).

The spelling of 1010010101101 in words is "one trillion, ten billion, ten million, one hundred one thousand, one hundred one".