100111010010101 has 16 divisors (see below), whose sum is σ = 100403265493440. Its totient is φ = 99819261569280.

The previous prime is 100111010010023. The next prime is 100111010010157. The reversal of 100111010010101 is 101010010111001.

It is a cyclic number.

It is not a de Polignac number, because 100111010010101 - 2¹⁴ = 100111009993717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111010010301) 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, 1636599245 + ... + 1636660413.

It is an arithmetic number, because the mean of its divisors is an integer number (6275204093340).

Almost surely, 2^{100111010010101} is an apocalyptic number.

It is an amenable number.

100111010010101 is a deficient number, since it is larger than the sum of its proper divisors (292255483339).

100111010010101 is a wasteful number, since it uses less digits than its factorization.

100111010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65236.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 100111010010101 its reverse (101010010111001), we get a palindrome (201121020121102).

The spelling of 100111010010101 in words is "one hundred trillion, one hundred eleven billion, ten million, ten thousand, one hundred one".