100001011111101 has 16 divisors (see below), whose sum is σ = 153258254577600. Its totient is φ = 64368466921584.

The previous prime is 100001011111039. The next prime is 100001011111121. The reversal of 100001011111101 is 101111110100001.

It is not a de Polignac number, because 100001011111101 - 2¹¹ = 100001011109053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001011111121) 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, 63857605291 + ... + 63857606856.

It is an arithmetic number, because the mean of its divisors is an integer number (9578640911100).

Almost surely, 2^{100001011111101} is an apocalyptic number.

It is an amenable number.

100001011111101 is a deficient number, since it is larger than the sum of its proper divisors (53257243466499).

100001011111101 is a wasteful number, since it uses less digits than its factorization.

100001011111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127715212185 (or 127715212179 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 100001011111101 its reverse (101111110100001), we get a palindrome (201112121211102).

The spelling of 100001011111101 in words is "one hundred trillion, one billion, eleven million, one hundred eleven thousand, one hundred one".