122322211221 has 8 divisors (see below), whose sum is σ = 186395750464. Its totient is φ = 69898406400.

The previous prime is 122322211201. The next prime is 122322211229. The reversal of 122322211221 is 122112223221.

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

It is not a de Polignac number, because 122322211221 - 2¹⁴ = 122322194837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5824867201 = 122322211221 / (1 + 2 + 2 + 3 + 2 + 2 + 2 + 1 + 1 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322211229) 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, 2912433580 + ... + 2912433621.

It is an arithmetic number, because the mean of its divisors is an integer number (23299468808).

Almost surely, 2^122322211221 is an apocalyptic number.

It is an amenable number.

122322211221 is a deficient number, since it is larger than the sum of its proper divisors (64073539243).

122322211221 is an equidigital number, since it uses as much as digits as its factorization.

122322211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824867211.

The product of its digits is 384, while the sum is 21.

Adding to 122322211221 its reverse (122112223221), we get a palindrome (244434434442).

The spelling of 122322211221 in words is "one hundred twenty-two billion, three hundred twenty-two million, two hundred eleven thousand, two hundred twenty-one".