2101242444 has 96 divisors (see below), whose sum is σ = 5878656000. Its totient is φ = 571441920.

The previous prime is 2101242443. The next prime is 2101242457. The reversal of 2101242444 is 4442421012.

It is not an unprimeable number, because it can be changed into a prime (2101242443) 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, 166882 + ... + 179030.

It is an arithmetic number, because the mean of its divisors is an integer number (61236000).

Almost surely, 2^2101242444 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 2101242444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2939328000).

2101242444 is an abundant number, since it is smaller than the sum of its proper divisors (3777413556).

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

2101242444 is a wasteful number, since it uses less digits than its factorization.

2101242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12263 (or 12261 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2101242444 is about 45839.3111204782. The cubic root of 2101242444 is about 1280.8316624839.

Adding to 2101242444 its reverse (4442421012), we get a palindrome (6543663456).

The spelling of 2101242444 in words is "two billion, one hundred one million, two hundred forty-two thousand, four hundred forty-four".