100011911 has 8 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 97732888.

The previous prime is 100011907. The next prime is 100011913. The reversal of 100011911 is 119110001.

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 100011911 - 2² = 100011907 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 (100011913) 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, 40490 + ... + 42888.

It is an arithmetic number, because the mean of its divisors is an integer number (12787200).

Almost surely, 2^100011911 is an apocalyptic number.

100011911 is a deficient number, since it is larger than the sum of its proper divisors (2285689).

100011911 is an equidigital number, since it uses as much as digits as its factorization.

100011911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 100011911 is about 10000.5955322671. The cubic root of 100011911 is about 464.1773112845.

Adding to 100011911 its reverse (119110001), we get a palindrome (219121912).

The spelling of 100011911 in words is "one hundred million, eleven thousand, nine hundred eleven".