122342243221 has 8 divisors (see below), whose sum is σ = 136568085984. Its totient is φ = 108633703920.

The previous prime is 122342243171. The next prime is 122342243251.

122342243221 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122342243221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122342243221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122342243251) 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, 129325366 + ... + 129326311.

It is an arithmetic number, because the mean of its divisors is an integer number (17071010748).

Almost surely, 2^122342243221 is an apocalyptic number.

122342243221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122342243221 is a deficient number, since it is larger than the sum of its proper divisors (14225842763).

122342243221 is a wasteful number, since it uses less digits than its factorization.

122342243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258651731.

The product of its digits is 9216, while the sum is 28.

It can be divided in two parts, 122342 and 243221, that added together give a palindrome (365563).

The spelling of 122342243221 in words is "one hundred twenty-two billion, three hundred forty-two million, two hundred forty-three thousand, two hundred twenty-one".