100111000101001 has 8 divisors (see below), whose sum is σ = 100293393651264. Its totient is φ = 99928616089680.

The previous prime is 100111000100987. The next prime is 100111000101037. The reversal of 100111000101001 is 100101000111001.

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 100111000101001 - 2²³ = 100110991712393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111000801001) 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, 18795526 + ... + 23526448.

It is an arithmetic number, because the mean of its divisors is an integer number (12536674206408).

Almost surely, 2^{100111000101001} is an apocalyptic number.

It is an amenable number.

100111000101001 is a deficient number, since it is larger than the sum of its proper divisors (182393550263).

100111000101001 is an equidigital number, since it uses as much as digits as its factorization.

100111000101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769471.

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

Adding to 100111000101001 its reverse (100101000111001), we get a palindrome (200212000212002).

It can be divided in two parts, 100111000 and 101001, that added together give a palindrome (100212001).

The spelling of 100111000101001 in words is "one hundred trillion, one hundred eleven billion, one hundred one thousand, one".