111100211101 has 8 divisors (see below), whose sum is σ = 121869847008. Its totient is φ = 100442178000.

The previous prime is 111100211099. The next prime is 111100211171. The reversal of 111100211101 is 101112001111.

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 111100211101 - 2¹ = 111100211099 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 (111100211171) 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, 27898615 + ... + 27902596.

It is an arithmetic number, because the mean of its divisors is an integer number (15233730876).

Almost surely, 2^111100211101 is an apocalyptic number.

111100211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111100211101 is a deficient number, since it is larger than the sum of its proper divisors (10769635907).

111100211101 is a wasteful number, since it uses less digits than its factorization.

111100211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55801403.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111100211101 its reverse (101112001111), we get a palindrome (212212212212).

The spelling of 111100211101 in words is "one hundred eleven billion, one hundred million, two hundred eleven thousand, one hundred one".