100222112021212 has 12 divisors (see below), whose sum is σ = 176769709392640. Its totient is φ = 49716480766176.

The previous prime is 100222112021177. The next prime is 100222112021219. The reversal of 100222112021212 is 212120211222001.

It is a self number, because there is not a number n which added to its sum of digits gives 100222112021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222112021219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98643810537 + ... + 98643811552.

Almost surely, 2^{100222112021212} is an apocalyptic number.

It is an amenable number.

100222112021212 is a deficient number, since it is larger than the sum of its proper divisors (76547597371428).

100222112021212 is a wasteful number, since it uses less digits than its factorization.

100222112021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197287622220 (or 197287622218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100222112021212 its reverse (212120211222001), we get a palindrome (312342323243213).

The spelling of 100222112021212 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred twelve".