101011001100109 has 4 divisors (see below), whose sum is σ = 101067087165820. Its totient is φ = 100954915034400.

The previous prime is 101011001100041. The next prime is 101011001100169. The reversal of 101011001100109 is 901001100110101.

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 68233051708900 + 32777949391209 = 8260330^2 + 5725203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101011001100109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101011001100092 and 101011001100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011001100169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28043030154 + ... + 28043033755.

It is an arithmetic number, because the mean of its divisors is an integer number (25266771791455).

Almost surely, 2^{101011001100109} is an apocalyptic number.

It is an amenable number.

101011001100109 is a deficient number, since it is larger than the sum of its proper divisors (56086065711).

101011001100109 is an equidigital number, since it uses as much as digits as its factorization.

101011001100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56086065710.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 101011001100109 in words is "one hundred one trillion, eleven billion, one million, one hundred thousand, one hundred nine".