101110009999 has 4 divisors (see below), whose sum is σ = 107057657664. Its totient is φ = 95162362336.

The previous prime is 101110009939. The next prime is 101110010041. The reversal of 101110009999 is 999900011101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101110009999 - 2¹³ = 101110001807 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 (101110009909) 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, 2973823807 + ... + 2973823840.

It is an arithmetic number, because the mean of its divisors is an integer number (26764414416).

Almost surely, 2^101110009999 is an apocalyptic number.

101110009999 is a deficient number, since it is larger than the sum of its proper divisors (5947647665).

101110009999 is an equidigital number, since it uses as much as digits as its factorization.

101110009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947647664.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 101110009999 in words is "one hundred one billion, one hundred ten million, nine thousand, nine hundred ninety-nine".