2134211121 has 72 divisors (see below), whose sum is σ = 3659947200. Its totient is φ = 1194709824.

The previous prime is 2134211117. The next prime is 2134211129. The reversal of 2134211121 is 1211124312.

2134211121 is a `hidden beast` number, since 213 + 421 + 11 + 21 = 666.

It is not a de Polignac number, because 2134211121 - 2² = 2134211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134211094 and 2134211103.

It is not an unprimeable number, because it can be changed into a prime (2134211129) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 7283851 + ... + 7284143.

It is an arithmetic number, because the mean of its divisors is an integer number (50832600).

Almost surely, 2^2134211121 is an apocalyptic number.

2134211121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2134211121 is a deficient number, since it is larger than the sum of its proper divisors (1525736079).

2134211121 is a wasteful number, since it uses less digits than its factorization.

2134211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 585 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2134211121 is about 46197.5228881376. The cubic root of 2134211121 is about 1287.4957166540.

Adding to 2134211121 its reverse (1211124312), we get a palindrome (3345335433).

The spelling of 2134211121 in words is "two billion, one hundred thirty-four million, two hundred eleven thousand, one hundred twenty-one".