111100211009 has 8 divisors (see below), whose sum is σ = 111243987360. Its totient is φ = 110956527136.

The previous prime is 111100210999. The next prime is 111100211021. The reversal of 111100211009 is 900112001111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100211009 is a prime.

It is a super-3 number, since 3×111100211009³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100211029) 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, 2565077 + ... + 2608029.

It is an arithmetic number, because the mean of its divisors is an integer number (13905498420).

Almost surely, 2^111100211009 is an apocalyptic number.

It is an amenable number.

111100211009 is a deficient number, since it is larger than the sum of its proper divisors (143776351).

111100211009 is a wasteful number, since it uses less digits than its factorization.

111100211009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46239.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 111100211009 in words is "one hundred eleven billion, one hundred million, two hundred eleven thousand, nine".