2214331322121 has 12 divisors (see below), whose sum is σ = 3209861066100. Its totient is φ = 1470967424640.

The previous prime is 2214331322081. The next prime is 2214331322129. The reversal of 2214331322121 is 1212231334122.

2214331322121 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 331 + 322 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1272810419721 + 941520902400 = 1128189^2 + 970320^2 .

It is not a de Polignac number, because 2214331322121 - 2²³ = 2214322933513 is a prime.

It is a super-2 number, since 2×2214331322121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2214331322129) 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 11 ways as a sum of consecutive naturals, for example, 437785396 + ... + 437790453.

It is an arithmetic number, because the mean of its divisors is an integer number (267488422175).

Almost surely, 2^{2214331322121} is an apocalyptic number.

It is an amenable number.

2214331322121 is a deficient number, since it is larger than the sum of its proper divisors (995529743979).

2214331322121 is a wasteful number, since it uses less digits than its factorization.

2214331322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875576136 (or 875576133 counting only the distinct ones).

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

Adding to 2214331322121 its reverse (1212231334122), we get a palindrome (3426562656243).

The spelling of 2214331322121 in words is "two trillion, two hundred fourteen billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty-one".