101101001101 has 4 divisors (see below), whose sum is σ = 101108527452. Its totient is φ = 101093474752.

The previous prime is 101101001069. The next prime is 101101001107. The reversal of 101101001101 is 101100101101.

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 82224989001 + 18876012100 = 286749^2 + 137390^2 .

It is a cyclic number.

It is not a de Polignac number, because 101101001101 - 2⁵ = 101101001069 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 (101101001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742990 + ... + 3769903.

It is an arithmetic number, because the mean of its divisors is an integer number (25277131863).

Almost surely, 2^101101001101 is an apocalyptic number.

It is an amenable number.

101101001101 is a deficient number, since it is larger than the sum of its proper divisors (7526351).

101101001101 is an equidigital number, since it uses as much as digits as its factorization.

101101001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526350.

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

Adding to 101101001101 its reverse (101100101101), we get a palindrome (202201102202).

The spelling of 101101001101 in words is "one hundred one billion, one hundred one million, one thousand, one hundred one".