111020112012109 has 8 divisors (see below), whose sum is σ = 118342557776000. Its totient is φ = 103845594445632.

The previous prime is 111020112012101. The next prime is 111020112012149. The reversal of 111020112012109 is 901210211020111.

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 not a de Polignac number, because 111020112012109 - 2³ = 111020112012101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020112012109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020112012101) 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, 36982047804 + ... + 36982050805.

It is an arithmetic number, because the mean of its divisors is an integer number (14792819722000).

Almost surely, 2^{111020112012109} is an apocalyptic number.

111020112012109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111020112012109 is a deficient number, since it is larger than the sum of its proper divisors (7322445763891).

111020112012109 is an equidigital number, since it uses as much as digits as its factorization.

111020112012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73964098707.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111020112012109 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, twelve thousand, one hundred nine".