122311112 has 64 divisors (see below), whose sum is σ = 287763840. Its totient is φ = 47347200.

The previous prime is 122311109. The next prime is 122311127. The reversal of 122311112 is 211113221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110948 + ... + 112044.

It is an arithmetic number, because the mean of its divisors is an integer number (4496310).

Almost surely, 2^122311112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122311112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143881920).

122311112 is an abundant number, since it is smaller than the sum of its proper divisors (165452728).

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

122311112 is a wasteful number, since it uses less digits than its factorization.

122311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 122311112 is about 11059.4354286284. The cubic root of 122311112 is about 496.3887972195.

Adding to 122311112 its reverse (211113221), we get a palindrome (333424333).

The spelling of 122311112 in words is "one hundred twenty-two million, three hundred eleven thousand, one hundred twelve".