212220110122 has 8 divisors (see below), whose sum is σ = 318439303236. Its totient is φ = 106073675712.

The previous prime is 212220110117. The next prime is 212220110129. The reversal of 212220110122 is 221011022212.

It is a happy number.

212220110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212208556921 + 11553201 = 460661^2 + 3399^2 .

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 = 212220110096 and 212220110105.

It is not an unprimeable number, because it can be changed into a prime (212220110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18182383 + ... + 18194050.

Almost surely, 2^212220110122 is an apocalyptic number.

212220110122 is a deficient number, since it is larger than the sum of its proper divisors (106219193114).

212220110122 is a wasteful number, since it uses less digits than its factorization.

212220110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36379352.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212220110122 its reverse (221011022212), we get a palindrome (433231132334).

The spelling of 212220110122 in words is "two hundred twelve billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-two".