100001011010101 has 8 divisors (see below), whose sum is σ = 100395935449920. Its totient is φ = 99606197877312.

The previous prime is 100001011010081. The next prime is 100001011010111. The reversal of 100001011010101 is 101010110100001.

It is a happy number.

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 100001011010101 - 2³¹ = 99998863526453 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 (100001011010111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26026131 + ... + 29620288.

It is an arithmetic number, because the mean of its divisors is an integer number (12549491931240).

Almost surely, 2^{100001011010101} is an apocalyptic number.

It is an amenable number.

100001011010101 is a deficient number, since it is larger than the sum of its proper divisors (394924439819).

100001011010101 is an equidigital number, since it uses as much as digits as its factorization.

100001011010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55653515.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100001011010101 its reverse (101010110100001), we get a palindrome (201011121110102).

The spelling of 100001011010101 in words is "one hundred trillion, one billion, eleven million, ten thousand, one hundred one".