2112113124 has 96 divisors (see below), whose sum is σ = 6021120000. Its totient is φ = 634949280.

The previous prime is 2112113083. The next prime is 2112113137. The reversal of 2112113124 is 4213112112.

It is a super-2 number, since 2×2112113124² = 8922043697146078752, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2112113097 and 2112113106.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 143877 + ... + 157875.

It is an arithmetic number, because the mean of its divisors is an integer number (62720000).

Almost surely, 2^2112113124 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 2112113124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010560000).

2112113124 is an abundant number, since it is smaller than the sum of its proper divisors (3909006876).

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

2112113124 is a wasteful number, since it uses less digits than its factorization.

2112113124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150 (or 14142 counting only the distinct ones).

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

The square root of 2112113124 is about 45957.7319283709. The cubic root of 2112113124 is about 1283.0366387304.

Adding to 2112113124 its reverse (4213112112), we get a palindrome (6325225236).

The spelling of 2112113124 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, one hundred twenty-four".