204222122122 has 8 divisors (see below), whose sum is σ = 306365118372. Its totient is φ = 102100416000.

The previous prime is 204222122113. The next prime is 204222122131. The reversal of 204222122122 is 221221222402.

It is an interprime number because it is at equal distance from previous prime (204222122113) and next prime (204222122131).

It can be written as a sum of positive squares in 2 ways, for example, as 186434831961 + 17787290161 = 431781^2 + 133369^2 .

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 = 204222122093 and 204222122102.

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, 5298529 + ... + 5336932.

Almost surely, 2^204222122122 is an apocalyptic number.

204222122122 is a deficient number, since it is larger than the sum of its proper divisors (102142996250).

204222122122 is a wasteful number, since it uses less digits than its factorization.

204222122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10645064.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 204222122122 its reverse (221221222402), we get a palindrome (425443344524).

The spelling of 204222122122 in words is "two hundred four billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".