220122330021 has 12 divisors (see below), whose sum is σ = 346859429280. Its totient is φ = 133407472680.

The previous prime is 220122329989. The next prime is 220122330053. The reversal of 220122330021 is 120033221022.

220122330021 is a `hidden beast` number, since 220 + 122 + 3 + 300 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (220122329989) and next prime (220122330053).

It is not a de Polignac number, because 220122330021 - 2⁵ = 220122329989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220122329976 and 220122330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122330061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111728841 + ... + 1111729038.

It is an arithmetic number, because the mean of its divisors is an integer number (28904952440).

Almost surely, 2^220122330021 is an apocalyptic number.

It is an amenable number.

220122330021 is a deficient number, since it is larger than the sum of its proper divisors (126737099259).

220122330021 is a wasteful number, since it uses less digits than its factorization.

220122330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223457896 (or 2223457893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220122330021 its reverse (120033221022), we get a palindrome (340155551043).

The spelling of 220122330021 in words is "two hundred twenty billion, one hundred twenty-two million, three hundred thirty thousand, twenty-one".