100011001001101 has 4 divisors (see below), whose sum is σ = 100011220836604. Its totient is φ = 100010781165600.

The previous prime is 100011001001099. The next prime is 100011001001179. The reversal of 100011001001101 is 101100100110001.

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 80122656667876 + 19888344333225 = 8951126^2 + 4459635^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011001001101 - 2¹ = 100011001001099 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 (100011002001101) 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, 109233930 + ... + 110145691.

It is an arithmetic number, because the mean of its divisors is an integer number (25002805209151).

Almost surely, 2^{100011001001101} is an apocalyptic number.

It is an amenable number.

100011001001101 is a deficient number, since it is larger than the sum of its proper divisors (219835503).

100011001001101 is an equidigital number, since it uses as much as digits as its factorization.

100011001001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219835502.

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

Adding to 100011001001101 its reverse (101100100110001), we get a palindrome (201111101111102).

The spelling of 100011001001101 in words is "one hundred trillion, eleven billion, one million, one thousand, one hundred one".