220022221101212 has 24 divisors (see below), whose sum is σ = 385760900206080. Its totient is φ = 109804831899840.

The previous prime is 220022221101187. The next prime is 220022221101223. The reversal of 220022221101212 is 212101122220022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80887589 + ... + 83563427.

It is an arithmetic number, because the mean of its divisors is an integer number (16073370841920).

Almost surely, 2^{220022221101212} is an apocalyptic number.

It is an amenable number.

220022221101212 is a deficient number, since it is larger than the sum of its proper divisors (165738679104868).

220022221101212 is a wasteful number, since it uses less digits than its factorization.

220022221101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714381 (or 2714379 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220022221101212 its reverse (212101122220022), we get a palindrome (432123343321234).

The spelling of 220022221101212 in words is "two hundred twenty trillion, twenty-two billion, two hundred twenty-one million, one hundred one thousand, two hundred twelve".