101111000009 has 4 divisors (see below), whose sum is σ = 101122526160. Its totient is φ = 101099473860.

The previous prime is 101110999999. The next prime is 101111000057. The reversal of 101111000009 is 900000111101.

It is a happy number.

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 101111000009 - 2⁴ = 101110999993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110999957 and 101111000002.

It is not an unprimeable number, because it can be changed into a prime (101111000099) 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, 5749907 + ... + 5767464.

It is an arithmetic number, because the mean of its divisors is an integer number (25280631540).

Almost surely, 2^101111000009 is an apocalyptic number.

It is an amenable number.

101111000009 is a deficient number, since it is larger than the sum of its proper divisors (11526151).

101111000009 is an equidigital number, since it uses as much as digits as its factorization.

101111000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526150.

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

The spelling of 101111000009 in words is "one hundred one billion, one hundred eleven million, nine", and thus it is an aban number.