122330121221 has 16 divisors (see below), whose sum is σ = 152541172608. Its totient is φ = 95306112000.

The previous prime is 122330121209. The next prime is 122330121257. The reversal of 122330121221 is 122121033221.

It is not a de Polignac number, because 122330121221 - 2⁶ = 122330121157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122330121193 and 122330121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122330121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336821 + ... + 598421.

It is an arithmetic number, because the mean of its divisors is an integer number (9533823288).

Almost surely, 2^122330121221 is an apocalyptic number.

122330121221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122330121221 is a deficient number, since it is larger than the sum of its proper divisors (30211051387).

122330121221 is a wasteful number, since it uses less digits than its factorization.

122330121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267692.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122330121221 its reverse (122121033221), we get a palindrome (244451154442).

The spelling of 122330121221 in words is "one hundred twenty-two billion, three hundred thirty million, one hundred twenty-one thousand, two hundred twenty-one".