112311122022 has 160 divisors (see below), whose sum is σ = 280259046144. Its totient is φ = 33327028800.

The previous prime is 112311122017. The next prime is 112311122023. The reversal of 112311122022 is 220221113211.

112311122022 is a `hidden beast` number, since 112 + 311 + 1 + 220 + 22 = 666.

It is a super-2 number, since 2×112311122022² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112311121986 and 112311122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311122023) 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 79 ways as a sum of consecutive naturals, for example, 74328247 + ... + 74329757.

Almost surely, 2^112311122022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112311122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140129523072).

112311122022 is an abundant number, since it is smaller than the sum of its proper divisors (167947924122).

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

112311122022 is a wasteful number, since it uses less digits than its factorization.

112311122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112311122022 its reverse (220221113211), we get a palindrome (332532235233).

The spelling of 112311122022 in words is "one hundred twelve billion, three hundred eleven million, one hundred twenty-two thousand, twenty-two".