222111002201212 has 24 divisors (see below), whose sum is σ = 391281638451200. Its totient is φ = 110316298172400.

The previous prime is 222111002201191. The next prime is 222111002201233. The reversal of 222111002201212 is 212102200111222.

It is an interprime number because it is at equal distance from previous prime (222111002201191) and next prime (222111002201233).

It is a self number, because there is not a number n which added to its sum of digits gives 222111002201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11665873 + ... + 24089719.

Almost surely, 2^{222111002201212} is an apocalyptic number.

It is an amenable number.

222111002201212 is a deficient number, since it is larger than the sum of its proper divisors (169170636249988).

222111002201212 is a wasteful number, since it uses less digits than its factorization.

222111002201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12453601 (or 12453599 counting only the distinct ones).

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

Adding to 222111002201212 its reverse (212102200111222), we get a palindrome (434213202312434).

The spelling of 222111002201212 in words is "two hundred twenty-two trillion, one hundred eleven billion, two million, two hundred one thousand, two hundred twelve".