322140343121 has 4 divisors (see below), whose sum is σ = 322275528192. Its totient is φ = 322005158052.

The previous prime is 322140343111. The next prime is 322140343139. The reversal of 322140343121 is 121343041223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322140343121 is a prime.

It is a super-2 number, since 2×322140343121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322140343111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67588961 + ... + 67593726.

It is an arithmetic number, because the mean of its divisors is an integer number (80568882048).

Almost surely, 2^322140343121 is an apocalyptic number.

It is an amenable number.

322140343121 is a deficient number, since it is larger than the sum of its proper divisors (135185071).

322140343121 is a wasteful number, since it uses less digits than its factorization.

322140343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135185070.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 322140343121 its reverse (121343041223), we get a palindrome (443483384344).

The spelling of 322140343121 in words is "three hundred twenty-two billion, one hundred forty million, three hundred forty-three thousand, one hundred twenty-one".