110111112221 has 8 divisors (see below), whose sum is σ = 120124221888. Its totient is φ = 100098504000.

The previous prime is 110111112217. The next prime is 110111112227. The reversal of 110111112221 is 122211111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110111112221 - 2² = 110111112217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110111112196 and 110111112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447701 + ... + 648581.

It is an arithmetic number, because the mean of its divisors is an integer number (15015527736).

Almost surely, 2^110111112221 is an apocalyptic number.

110111112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110111112221 is a deficient number, since it is larger than the sum of its proper divisors (10013109667).

110111112221 is a wasteful number, since it uses less digits than its factorization.

110111112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250723.

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

Adding to 110111112221 its reverse (122211111011), we get a palindrome (232322223232).

The spelling of 110111112221 in words is "one hundred ten billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-one".