111011112211009 has 4 divisors (see below), whose sum is σ = 117541177635204. Its totient is φ = 104481046786816.

The previous prime is 111011112210989. The next prime is 111011112211031. The reversal of 111011112211009 is 900112211110111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40028043939984 + 70983068271025 = 6326772^2 + 8425145^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011112211009 - 2¹⁷ = 111011112079937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011112211409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265032712072 + ... + 3265032712105.

It is an arithmetic number, because the mean of its divisors is an integer number (29385294408801).

Almost surely, 2^{111011112211009} is an apocalyptic number.

It is an amenable number.

111011112211009 is a deficient number, since it is larger than the sum of its proper divisors (6530065424195).

111011112211009 is an equidigital number, since it uses as much as digits as its factorization.

111011112211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530065424194.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 111011112211009 in words is "one hundred eleven trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, nine".