101001111111109 has 16 divisors (see below), whose sum is σ = 110641408225920. Its totient is φ = 91437218496000.

The previous prime is 101001111111101. The next prime is 101001111111119. The reversal of 101001111111109 is 901111111100101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101001111111109 - 2³ = 101001111111101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001111111101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381163537 + ... + 381428425.

It is an arithmetic number, because the mean of its divisors is an integer number (6915088014120).

Almost surely, 2^{101001111111109} is an apocalyptic number.

It is an amenable number.

101001111111109 is a deficient number, since it is larger than the sum of its proper divisors (9640297114811).

101001111111109 is a wasteful number, since it uses less digits than its factorization.

101001111111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408972.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 101001111111109 in words is "one hundred one trillion, one billion, one hundred eleven million, one hundred eleven thousand, one hundred nine".