220122202110212 has 6 divisors (see below), whose sum is σ = 385213853692878. Its totient is φ = 110061101055104.

The previous prime is 220122202110199. The next prime is 220122202110247. The reversal of 220122202110212 is 212011202221022.

It can be written as a sum of positive squares in only one way, i.e., 194378694784576 + 25743507325636 = 13941976^2 + 5073806^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515275263773 + ... + 27515275263780.

It is an arithmetic number, because the mean of its divisors is an integer number (64202308948813).

Almost surely, 2^{220122202110212} is an apocalyptic number.

It is an amenable number.

220122202110212 is a deficient number, since it is larger than the sum of its proper divisors (165091651582666).

220122202110212 is a wasteful number, since it uses less digits than its factorization.

220122202110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55030550527557 (or 55030550527555 counting only the distinct ones).

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

Adding to 220122202110212 its reverse (212011202221022), we get a palindrome (432133404331234).

The spelling of 220122202110212 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred two million, one hundred ten thousand, two hundred twelve".