112122422440 has 128 divisors (see below), whose sum is σ = 290917785600. Its totient is φ = 38095626240.

The previous prime is 112122422437. The next prime is 112122422443. The reversal of 112122422440 is 44224221211.

It is an interprime number because it is at equal distance from previous prime (112122422437) and next prime (112122422443).

It is a super-2 number, since 2×112122422440² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112122422443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52663296 + ... + 52665424.

It is an arithmetic number, because the mean of its divisors is an integer number (2272795200).

Almost surely, 2^112122422440 is an apocalyptic number.

112122422440 is a gapful number since it is divisible by the number (10) 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 112122422440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145458892800).

112122422440 is an abundant number, since it is smaller than the sum of its proper divisors (178795363160).

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

112122422440 is a wasteful number, since it uses less digits than its factorization.

112122422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3751 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 112122422440 its reverse (44224221211), we get a palindrome (156346643651).

The spelling of 112122422440 in words is "one hundred twelve billion, one hundred twenty-two million, four hundred twenty-two thousand, four hundred forty".