100111011110101 has 8 divisors (see below), whose sum is σ = 102223142241624. Its totient is φ = 98018900179200.

The previous prime is 100111011110083. The next prime is 100111011110147. The reversal of 100111011110101 is 101011110111001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46205312907601 + 53905698202500 = 6797449^2 + 7342050^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100111011110101 - 2⁵ = 100111011110069 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 (100111011110401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5005040050 + ... + 5005060051.

It is an arithmetic number, because the mean of its divisors is an integer number (12777892780203).

Almost surely, 2^{100111011110101} is an apocalyptic number.

It is an amenable number.

100111011110101 is a deficient number, since it is larger than the sum of its proper divisors (2112131131523).

100111011110101 is a wasteful number, since it uses less digits than its factorization.

100111011110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010100311.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 100111011110101 its reverse (101011110111001), we get a palindrome (201122121221102).

The spelling of 100111011110101 in words is "one hundred trillion, one hundred eleven billion, eleven million, one hundred ten thousand, one hundred one".