2121214134 has 32 divisors (see below), whose sum is σ = 4837523040. Its totient is φ = 614287872.

The previous prime is 2121214129. The next prime is 2121214157. The reversal of 2121214134 is 4314121212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121214134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798529 + ... + 801180.

It is an arithmetic number, because the mean of its divisors is an integer number (151172595).

Almost surely, 2^2121214134 is an apocalyptic number.

2121214134 is an abundant number, since it is smaller than the sum of its proper divisors (2716308906).

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

2121214134 is a wasteful number, since it uses less digits than its factorization.

2121214134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599744.

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

The square root of 2121214134 is about 46056.6404984124. The cubic root of 2121214134 is about 1284.8768491143.

Adding to 2121214134 its reverse (4314121212), we get a palindrome (6435335346).

The spelling of 2121214134 in words is "two billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred thirty-four".