111043121201111 has 8 divisors (see below), whose sum is σ = 121167648403200. Its totient is φ = 100923543666040.

The previous prime is 111043121201101. The next prime is 111043121201113. The reversal of 111043121201111 is 111102121340111.

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-111043121201111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111043121201113) 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, 1237369841 + ... + 1237459578.

It is an arithmetic number, because the mean of its divisors is an integer number (15145956050400).

Almost surely, 2^{111043121201111} is an apocalyptic number.

111043121201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111043121201111 is a deficient number, since it is larger than the sum of its proper divisors (10124527202089).

111043121201111 is a wasteful number, since it uses less digits than its factorization.

111043121201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474833509.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 111043121201111 its reverse (111102121340111), we get a palindrome (222145242541222).

The spelling of 111043121201111 in words is "one hundred eleven trillion, forty-three billion, one hundred twenty-one million, two hundred one thousand, one hundred eleven".