222111200212 has 12 divisors (see below), whose sum is σ = 424030473216. Its totient is φ = 100959636440.

The previous prime is 222111200191. The next prime is 222111200321. The reversal of 222111200212 is 212002111222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523990868 + ... + 2523990955.

It is an arithmetic number, because the mean of its divisors is an integer number (35335872768).

Almost surely, 2^222111200212 is an apocalyptic number.

222111200212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222111200212 is a deficient number, since it is larger than the sum of its proper divisors (201919273004).

222111200212 is a wasteful number, since it uses less digits than its factorization.

222111200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047981838 (or 5047981836 counting only the distinct ones).

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

Adding to 222111200212 its reverse (212002111222), we get a palindrome (434113311434).

The spelling of 222111200212 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred thousand, two hundred twelve".