100222211111212 has 6 divisors (see below), whose sum is σ = 175388869444628. Its totient is φ = 50111105555604.

The previous prime is 100222211111177. The next prime is 100222211111219. The reversal of 100222211111212 is 212111112222001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100222211111212.

It is not an unprimeable number, because it can be changed into a prime (100222211111219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527776388898 + ... + 12527776388905.

Almost surely, 2^{100222211111212} is an apocalyptic number.

It is an amenable number.

100222211111212 is a deficient number, since it is larger than the sum of its proper divisors (75166658333416).

100222211111212 is a wasteful number, since it uses less digits than its factorization.

100222211111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055552777807 (or 25055552777805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100222211111212 its reverse (212111112222001), we get a palindrome (312333323333213).

The spelling of 100222211111212 in words is "one hundred trillion, two hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, two hundred twelve".