2134243011321 has 12 divisors (see below), whose sum is σ = 3082809405780. Its totient is φ = 1422822238080.

The previous prime is 2134243011319. The next prime is 2134243011323. The reversal of 2134243011321 is 1231103424312.

2134243011321 is a `hidden beast` number, since 2 + 1 + 34 + 2 + 4 + 301 + 1 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (2134243011319) and next prime (2134243011323).

It can be written as a sum of positive squares in 2 ways, for example, as 1708408457721 + 425834553600 = 1307061^2 + 652560^2 .

It is not a de Polignac number, because 2134243011321 - 2¹ = 2134243011319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134243011323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2423485 + ... + 3184613.

It is an arithmetic number, because the mean of its divisors is an integer number (256900783815).

Almost surely, 2^{2134243011321} is an apocalyptic number.

It is an amenable number.

2134243011321 is a deficient number, since it is larger than the sum of its proper divisors (948566394459).

2134243011321 is a wasteful number, since it uses less digits than its factorization.

2134243011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072696 (or 1072693 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2134243011321 its reverse (1231103424312), we get a palindrome (3365346435633).

The spelling of 2134243011321 in words is "two trillion, one hundred thirty-four billion, two hundred forty-three million, eleven thousand, three hundred twenty-one".