111012102209 has 8 divisors (see below), whose sum is σ = 114400677888. Its totient is φ = 107655953440.

The previous prime is 111012102119. The next prime is 111012102247. The reversal of 111012102209 is 902201210111.

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-111012102209 is a prime.

It is a super-2 number, since 2×111012102209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012102259) 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, 8099777 + ... + 8113470.

It is an arithmetic number, because the mean of its divisors is an integer number (14300084736).

Almost surely, 2^111012102209 is an apocalyptic number.

It is an amenable number.

111012102209 is a deficient number, since it is larger than the sum of its proper divisors (3388575679).

111012102209 is a wasteful number, since it uses less digits than its factorization.

111012102209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16213455.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 111012102209 in words is "one hundred eleven billion, twelve million, one hundred two thousand, two hundred nine".