20221220122 has 8 divisors (see below), whose sum is σ = 30977188416. Its totient is φ = 9895490652.

The previous prime is 20221220093. The next prime is 20221220143. The reversal of 20221220122 is 22102212202.

20221220122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 20221220096 and 20221220105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 107559588 + ... + 107559775.

It is an arithmetic number, because the mean of its divisors is an integer number (3872148552).

Almost surely, 2^20221220122 is an apocalyptic number.

20221220122 is a deficient number, since it is larger than the sum of its proper divisors (10755968294).

20221220122 is a wasteful number, since it uses less digits than its factorization.

20221220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215119412.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221220122 its reverse (22102212202), we get a palindrome (42323432324).

The spelling of 20221220122 in words is "twenty billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".