112121221110111 has 16 divisors (see below), whose sum is σ = 166138476940800. Its totient is φ = 74732646856824.

The previous prime is 112121221110061. The next prime is 112121221110121. The reversal of 112121221110111 is 111011122121211.

112121221110111 is a `hidden beast` number, since 1 + 121 + 212 + 211 + 10 + 111 = 666.

It is not a de Polignac number, because 112121221110111 - 2⁶ = 112121221110047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121221110121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411913741 + ... + 412185846.

It is an arithmetic number, because the mean of its divisors is an integer number (10383654808800).

Almost surely, 2^{112121221110111} is an apocalyptic number.

112121221110111 is a deficient number, since it is larger than the sum of its proper divisors (54017255830689).

112121221110111 is an equidigital number, since it uses as much as digits as its factorization.

112121221110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824104635 (or 824104629 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 112121221110111 its reverse (111011122121211), we get a palindrome (223132343231322).

The spelling of 112121221110111 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred ten thousand, one hundred eleven".