111100112201111 has 8 divisors (see below), whose sum is σ = 121302228668544. Its totient is φ = 100915013444920.

The previous prime is 111100112201101. The next prime is 111100112201131. The reversal of 111100112201111 is 111102211001111.

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 111100112201111 - 2¹⁴ = 111100112184727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100112201101) 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, 4254414155 + ... + 4254440268.

It is an arithmetic number, because the mean of its divisors is an integer number (15162778583568).

Almost surely, 2^{111100112201111} is an apocalyptic number.

111100112201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111100112201111 is a deficient number, since it is larger than the sum of its proper divisors (10202116467433).

111100112201111 is a wasteful number, since it uses less digits than its factorization.

111100112201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508855621.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111100112201111 its reverse (111102211001111), we get a palindrome (222202323202222).

The spelling of 111100112201111 in words is "one hundred eleven trillion, one hundred billion, one hundred twelve million, two hundred one thousand, one hundred eleven".