220112122212222 has 128 divisors (see below), whose sum is σ = 460766634488448. Its totient is φ = 70029237657600.

The previous prime is 220112122212209. The next prime is 220112122212239. The reversal of 220112122212222 is 222212221211022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220112122212192 and 220112122212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14487725058 + ... + 14487740250.

It is an arithmetic number, because the mean of its divisors is an integer number (3599739331941).

Almost surely, 2^{220112122212222} is an apocalyptic number.

220112122212222 is an abundant number, since it is smaller than the sum of its proper divisors (240654512276226).

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

220112122212222 is a wasteful number, since it uses less digits than its factorization.

220112122212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18094.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 220112122212222 its reverse (222212221211022), we get a palindrome (442324343423244).

The spelling of 220112122212222 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".