220122111204 has 72 divisors (see below), whose sum is σ = 558735894080. Its totient is φ = 73069128000.

The previous prime is 220122111173. The next prime is 220122111227. The reversal of 220122111204 is 402111221022.

It is a super-2 number, since 2×220122111204² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 10940754 + ... + 10960854.

Almost surely, 2^220122111204 is an apocalyptic number.

It is an amenable number.

220122111204 is an abundant number, since it is smaller than the sum of its proper divisors (338613782876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220122111204 is a wasteful number, since it uses less digits than its factorization.

220122111204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21361 (or 21356 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220122111204 its reverse (402111221022), we get a palindrome (622233332226).

The spelling of 220122111204 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, two hundred four".