100001109911 has 4 divisors (see below), whose sum is σ = 100014036024. Its totient is φ = 99988183800.

The previous prime is 100001109821. The next prime is 100001109919. The reversal of 100001109911 is 119901100001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100001109911 - 2¹⁸ = 100000847767 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 (100001109919) 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, 6451445 + ... + 6466926.

It is an arithmetic number, because the mean of its divisors is an integer number (25003509006).

Almost surely, 2^100001109911 is an apocalyptic number.

100001109911 is a deficient number, since it is larger than the sum of its proper divisors (12926113).

100001109911 is an equidigital number, since it uses as much as digits as its factorization.

100001109911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926112.

The product of its (nonzero) digits is 81, while the sum is 23.

Adding to 100001109911 its reverse (119901100001), we get a palindrome (219902209912).

The spelling of 100001109911 in words is "one hundred billion, one million, one hundred nine thousand, nine hundred eleven".