1100101010101 has 4 divisors (see below), whose sum is σ = 1100336431212. Its totient is φ = 1099865588992.

The previous prime is 1100101010083. The next prime is 1100101010117. The reversal of 1100101010101 is 1010101010011.

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 876039840900 + 224061169201 = 935970^2 + 473351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100101010101 - 2²⁹ = 1099564139189 is a prime.

It is a Duffinian number.

1100101010101 is a modest number, since divided by 1010101 gives 11001 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100101010161) 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 in 3 ways as a sum of consecutive naturals, for example, 117703546 + ... + 117712891.

It is an arithmetic number, because the mean of its divisors is an integer number (275084107803).

Almost surely, 2^{1100101010101} is an apocalyptic number.

It is an amenable number.

1100101010101 is a deficient number, since it is larger than the sum of its proper divisors (235421111).

1100101010101 is an equidigital number, since it uses as much as digits as its factorization.

1100101010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235421110.

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

Adding to 1100101010101 its reverse (1010101010011), we get a palindrome (2110202020112).

The spelling of 1100101010101 in words is "one trillion, one hundred billion, one hundred one million, ten thousand, one hundred one".