111200122112111 has 8 divisors (see below), whose sum is σ = 111679194519024. Its totient is φ = 110721195665280.

The previous prime is 111200122112089. The next prime is 111200122112147. The reversal of 111200122112111 is 111211221002111.

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 111200122112111 - 2²² = 111200117917807 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 111200122112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200122112311) 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 7 ways as a sum of consecutive naturals, for example, 34962896 + ... + 38010581.

It is an arithmetic number, because the mean of its divisors is an integer number (13959899314878).

Almost surely, 2^{111200122112111} is an apocalyptic number.

111200122112111 is a deficient number, since it is larger than the sum of its proper divisors (479072406913).

111200122112111 is an equidigital number, since it uses as much as digits as its factorization.

111200122112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72980041.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111200122112111 its reverse (111211221002111), we get a palindrome (222411343114222).

The spelling of 111200122112111 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-two million, one hundred twelve thousand, one hundred eleven".