11211000109 has 4 divisors (see below), whose sum is σ = 11401017120. Its totient is φ = 11020983100.

The previous prime is 11211000091. The next prime is 11211000113. The reversal of 11211000109 is 90100011211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11211000109 - 2⁷ = 11210999981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211000092 and 11211000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211000139) 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, 95008417 + ... + 95008534.

It is an arithmetic number, because the mean of its divisors is an integer number (2850254280).

Almost surely, 2^11211000109 is an apocalyptic number.

It is an amenable number.

11211000109 is a deficient number, since it is larger than the sum of its proper divisors (190017011).

11211000109 is an equidigital number, since it uses as much as digits as its factorization.

11211000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190017010.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 11211000109 in words is "eleven billion, two hundred eleven million, one hundred nine", and thus it is an aban number.