1000109911 has 8 divisors (see below), whose sum is σ = 1013093424. Its totient is φ = 987148800.

The previous prime is 1000109893. The next prime is 1000109917. The reversal of 1000109911 is 1199010001.

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 1000109911 - 2¹⁹ = 999585623 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 (1000109917) 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, 96061 + ... + 105961.

It is an arithmetic number, because the mean of its divisors is an integer number (126636678).

Almost surely, 2^1000109911 is an apocalyptic number.

1000109911 is a deficient number, since it is larger than the sum of its proper divisors (12983513).

1000109911 is an equidigital number, since it uses as much as digits as its factorization.

1000109911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1000109911 is about 31624.5143994339. The cubic root of 1000109911 is about 1000.0366356578.

Adding to 1000109911 its reverse (1199010001), we get a palindrome (2199119912).

The spelling of 1000109911 in words is "one billion, one hundred nine thousand, nine hundred eleven".