122220303221 has 16 divisors (see below), whose sum is σ = 129966508800. Its totient is φ = 114677671680.

The previous prime is 122220303211. The next prime is 122220303253. The reversal of 122220303221 is 122303022221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122220303221 - 2⁶ = 122220303157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220303193 and 122220303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220303211) 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, 11756936 + ... + 11767326.

It is an arithmetic number, because the mean of its divisors is an integer number (8122906800).

Almost surely, 2^122220303221 is an apocalyptic number.

It is an amenable number.

122220303221 is a deficient number, since it is larger than the sum of its proper divisors (7746205579).

122220303221 is a wasteful number, since it uses less digits than its factorization.

122220303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116.

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

Adding to 122220303221 its reverse (122303022221), we get a palindrome (244523325442).

The spelling of 122220303221 in words is "one hundred twenty-two billion, two hundred twenty million, three hundred three thousand, two hundred twenty-one".