2101224112 has 80 divisors (see below), whose sum is σ = 4554708480. Its totient is φ = 932818176.

The previous prime is 2101224107. The next prime is 2101224119. The reversal of 2101224112 is 2114221012.

It is a super-3 number, since 3×2101224112³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2101224119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574963 + ... + 578605.

It is an arithmetic number, because the mean of its divisors is an integer number (56933856).

Almost surely, 2^2101224112 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 2101224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277354240).

2101224112 is an abundant number, since it is smaller than the sum of its proper divisors (2453484368).

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

2101224112 is a wasteful number, since it uses less digits than its factorization.

2101224112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2101224112 is about 45839.1111606672. Note that the first 4 decimals coincide. The cubic root of 2101224112 is about 1280.8279376600.

Adding to 2101224112 its reverse (2114221012), we get a palindrome (4215445124).

The spelling of 2101224112 in words is "two billion, one hundred one million, two hundred twenty-four thousand, one hundred twelve".