111102120020111 has 8 divisors (see below), whose sum is σ = 121381341284304. Its totient is φ = 100852736845120.

The previous prime is 111102120020077. The next prime is 111102120020119. The reversal of 111102120020111 is 111020021201111.

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-111102120020111 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 (111102120020119) 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, 7459514510 + ... + 7459529403.

It is an arithmetic number, because the mean of its divisors is an integer number (15172667660538).

Almost surely, 2^{111102120020111} is an apocalyptic number.

111102120020111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111102120020111 is a deficient number, since it is larger than the sum of its proper divisors (10279221264193).

111102120020111 is a wasteful number, since it uses less digits than its factorization.

111102120020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14919044601.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111102120020111 its reverse (111020021201111), we get a palindrome (222122141221222).

The spelling of 111102120020111 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty million, twenty thousand, one hundred eleven".