2121341214 has 32 divisors (see below), whose sum is σ = 4307466240. Its totient is φ = 696395232.

The previous prime is 2121341171. The next prime is 2121341219. The reversal of 2121341214 is 4121431212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121341219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 99507 + ... + 118929.

It is an arithmetic number, because the mean of its divisors is an integer number (134608320).

Almost surely, 2^2121341214 is an apocalyptic number.

2121341214 is an abundant number, since it is smaller than the sum of its proper divisors (2186125026).

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

2121341214 is a wasteful number, since it uses less digits than its factorization.

2121341214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19704.

The product of its digits is 384, while the sum is 21.

The square root of 2121341214 is about 46058.0200833688. The cubic root of 2121341214 is about 1284.9025072012.

Adding to 2121341214 its reverse (4121431212), we get a palindrome (6242772426).

The spelling of 2121341214 in words is "two billion, one hundred twenty-one million, three hundred forty-one thousand, two hundred fourteen".