2121341144 has 16 divisors (see below), whose sum is σ = 4283477520. Its totient is φ = 979080480.

The previous prime is 2121341137. The next prime is 2121341147. The reversal of 2121341144 is 4411431212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121341147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10198652 + ... + 10198859.

It is an arithmetic number, because the mean of its divisors is an integer number (267717345).

Almost surely, 2^2121341144 is an apocalyptic number.

It is an amenable number.

2121341144 is an abundant number, since it is smaller than the sum of its proper divisors (2162136376).

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

2121341144 is a wasteful number, since it uses less digits than its factorization.

2121341144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20397530 (or 20397526 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2121341144 is about 46058.0193234577. The cubic root of 2121341144 is about 1284.9024930681.

Adding to 2121341144 its reverse (4411431212), we get a palindrome (6532772356).

The spelling of 2121341144 in words is "two billion, one hundred twenty-one million, three hundred forty-one thousand, one hundred forty-four".