222220111100212 has 12 divisors (see below), whose sum is σ = 401429878116736. Its totient is φ = 107525860209720.

The previous prime is 222220111100149. The next prime is 222220111100233. The reversal of 222220111100212 is 212001111022222.

It is a self number, because there is not a number n which added to its sum of digits gives 222220111100212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896048834958 + ... + 896048835205.

Almost surely, 2^{222220111100212} is an apocalyptic number.

It is an amenable number.

222220111100212 is a deficient number, since it is larger than the sum of its proper divisors (179209767016524).

222220111100212 is a wasteful number, since it uses less digits than its factorization.

222220111100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792097670198 (or 1792097670196 counting only the distinct ones).

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

Adding to 222220111100212 its reverse (212001111022222), we get a palindrome (434221222122434).

The spelling of 222220111100212 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, two hundred twelve".