111212120000110 has 128 divisors (see below), whose sum is σ = 217333285263360. Its totient is φ = 40834726732800.

The previous prime is 111212120000099. The next prime is 111212120000117. The reversal of 111212120000110 is 11000021212111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212120000117) 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 63 ways as a sum of consecutive naturals, for example, 2772588955 + ... + 2772629065.

It is an arithmetic number, because the mean of its divisors is an integer number (1697916291120).

Almost surely, 2^{111212120000110} is an apocalyptic number.

111212120000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212120000110 is a deficient number, since it is larger than the sum of its proper divisors (106121165263250).

111212120000110 is a wasteful number, since it uses less digits than its factorization.

111212120000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42602.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111212120000110 its reverse (11000021212111), we get a palindrome (122212141212221).

The spelling of 111212120000110 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred twenty million, one hundred ten", and thus it is an aban number.