100011011100101 has 4 divisors (see below), whose sum is σ = 102450304053804. Its totient is φ = 97571718146400.

The previous prime is 100011011100053. The next prime is 100011011100107. The reversal of 100011011100101 is 101001110110001.

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 31680518817025 + 68330492283076 = 5628545^2 + 8266226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011011100101 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 (100011011100107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219646476790 + ... + 1219646476871.

It is an arithmetic number, because the mean of its divisors is an integer number (25612576013451).

Almost surely, 2^{100011011100101} is an apocalyptic number.

It is an amenable number.

100011011100101 is a deficient number, since it is larger than the sum of its proper divisors (2439292953703).

100011011100101 is an equidigital number, since it uses as much as digits as its factorization.

100011011100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439292953702.

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

Adding to 100011011100101 its reverse (101001110110001), we get a palindrome (201012121210102).

The spelling of 100011011100101 in words is "one hundred trillion, eleven billion, eleven million, one hundred thousand, one hundred one".