122330142221 has 4 divisors (see below), whose sum is σ = 139805876832. Its totient is φ = 104854407612.

The previous prime is 122330142169. The next prime is 122330142271. The reversal of 122330142221 is 122241033221.

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 not a de Polignac number, because 122330142221 - 2⁶ = 122330142157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122330142271) 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, 8737867295 + ... + 8737867308.

It is an arithmetic number, because the mean of its divisors is an integer number (34951469208).

Almost surely, 2^122330142221 is an apocalyptic number.

It is an amenable number.

122330142221 is a deficient number, since it is larger than the sum of its proper divisors (17475734611).

122330142221 is an equidigital number, since it uses as much as digits as its factorization.

122330142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475734610.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122330142221 its reverse (122241033221), we get a palindrome (244571175442).

The spelling of 122330142221 in words is "one hundred twenty-two billion, three hundred thirty million, one hundred forty-two thousand, two hundred twenty-one".