212221110100112 has 20 divisors (see below), whose sum is σ = 411265459699440. Its totient is φ = 106088088242208.

The previous prime is 212221110100031. The next prime is 212221110100117. The reversal of 212221110100112 is 211001011122212.

It is not an unprimeable number, because it can be changed into a prime (212221110100117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1404097562 + ... + 1404248697.

It is an arithmetic number, because the mean of its divisors is an integer number (20563272984972).

Almost surely, 2^{212221110100112} is an apocalyptic number.

It is an amenable number.

212221110100112 is a deficient number, since it is larger than the sum of its proper divisors (199044349599328).

212221110100112 is a wasteful number, since it uses less digits than its factorization.

212221110100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808350990 (or 2808350984 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212221110100112 its reverse (211001011122212), we get a palindrome (423222121222324).

The spelling of 212221110100112 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, one hundred twelve".