100189111 has 8 divisors (see below), whose sum is σ = 109903248. Its totient is φ = 90576000.

The previous prime is 100189073. The next prime is 100189121. The reversal of 100189111 is 111981001.

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 100189111 - 2⁷ = 100188983 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 (100189121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23170 + ... + 27151.

It is an arithmetic number, because the mean of its divisors is an integer number (13737906).

Almost surely, 2^100189111 is an apocalyptic number.

100189111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100189111 is a deficient number, since it is larger than the sum of its proper divisors (9714137).

100189111 is a wasteful number, since it uses less digits than its factorization.

100189111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50513.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 100189111 is about 10009.4510838507. The cubic root of 100189111 is about 464.4512909490.

The spelling of 100189111 in words is "one hundred million, one hundred eighty-nine thousand, one hundred eleven".