122110211112 has 96 divisors (see below), whose sum is σ = 321405174720. Its totient is φ = 38636951040.

The previous prime is 122110211087. The next prime is 122110211177. The reversal of 122110211112 is 211112011221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122110211091 and 122110211100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301773 + ... + 1392419.

It is an arithmetic number, because the mean of its divisors is an integer number (3347970570).

Almost surely, 2^122110211112 is an apocalyptic number.

122110211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122110211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160702587360).

122110211112 is an abundant number, since it is smaller than the sum of its proper divisors (199294963608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122110211112 is a wasteful number, since it uses less digits than its factorization.

122110211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90771 (or 90730 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110211112 its reverse (211112011221), we get a palindrome (333222222333).

The spelling of 122110211112 in words is "one hundred twenty-two billion, one hundred ten million, two hundred eleven thousand, one hundred twelve".