100011011111 has 8 divisors (see below), whose sum is σ = 109148965248. Its totient is φ = 90880731000.

The previous prime is 100011011041. The next prime is 100011011239. The reversal of 100011011111 is 111110110001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011011111 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 (100011011411) 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, 1891235 + ... + 1943396.

It is an arithmetic number, because the mean of its divisors is an integer number (13643620656).

Almost surely, 2^100011011111 is an apocalyptic number.

100011011111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100011011111 is a deficient number, since it is larger than the sum of its proper divisors (9137954137).

100011011111 is a wasteful number, since it uses less digits than its factorization.

100011011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837013.

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

Adding to 100011011111 its reverse (111110110001), we get a palindrome (211121121112).

The spelling of 100011011111 in words is "one hundred billion, eleven million, eleven thousand, one hundred eleven".