122220330221 has 16 divisors (see below), whose sum is σ = 140364887040. Its totient is φ = 105249391920.

The previous prime is 122220330209. The next prime is 122220330257. The reversal of 122220330221 is 122033022221.

It is a happy number.

It is not a de Polignac number, because 122220330221 - 2⁶ = 122220330157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220330193 and 122220330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220380221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108006 + ... + 2165208.

It is an arithmetic number, because the mean of its divisors is an integer number (8772805440).

Almost surely, 2^122220330221 is an apocalyptic number.

122220330221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122220330221 is a deficient number, since it is larger than the sum of its proper divisors (18144556819).

122220330221 is a wasteful number, since it uses less digits than its factorization.

122220330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67456.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122220330221 its reverse (122033022221), we get a palindrome (244253352442).

The spelling of 122220330221 in words is "one hundred twenty-two billion, two hundred twenty million, three hundred thirty thousand, two hundred twenty-one".