2122421534321 has 8 divisors (see below), whose sum is σ = 2343264958944. Its totient is φ = 1906227445120.

The previous prime is 2122421534291. The next prime is 2122421534339. The reversal of 2122421534321 is 1234351242212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122421534321 - 2⁶ = 2122421534257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122421536321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162332896 + ... + 1162334721.

It is an arithmetic number, because the mean of its divisors is an integer number (292908119868).

Almost surely, 2^{2122421534321} is an apocalyptic number.

It is an amenable number.

2122421534321 is a deficient number, since it is larger than the sum of its proper divisors (220843424623).

2122421534321 is a wasteful number, since it uses less digits than its factorization.

2122421534321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324667711.

The product of its digits is 23040, while the sum is 32.

Adding to 2122421534321 its reverse (1234351242212), we get a palindrome (3356772776533).

The spelling of 2122421534321 in words is "two trillion, one hundred twenty-two billion, four hundred twenty-one million, five hundred thirty-four thousand, three hundred twenty-one".