122243342221 has 32 divisors (see below), whose sum is σ = 165756116736. Its totient is φ = 87056640000.

The previous prime is 122243342219. The next prime is 122243342267.

122243342221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122243342221 - 2¹ = 122243342219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122243342221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243342281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503460 + ... + 705661.

It is an arithmetic number, because the mean of its divisors is an integer number (5179878648).

Almost surely, 2^122243342221 is an apocalyptic number.

122243342221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122243342221 is a deficient number, since it is larger than the sum of its proper divisors (43512774515).

122243342221 is a wasteful number, since it uses less digits than its factorization.

122243342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209253.

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

It can be divided in two parts, 122243 and 342221, that added together give a palindrome (464464).

The spelling of 122243342221 in words is "one hundred twenty-two billion, two hundred forty-three million, three hundred forty-two thousand, two hundred twenty-one".