201111222212 has 12 divisors (see below), whose sum is σ = 351951161856. Its totient is φ = 100553747400.

The previous prime is 201111222203. The next prime is 201111222217. The reversal of 201111222212 is 212222111102.

It is not an unprimeable number, because it can be changed into a prime (201111222217) 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, 207164 + ... + 667187.

It is an arithmetic number, because the mean of its divisors is an integer number (29329263488).

Almost surely, 2^201111222212 is an apocalyptic number.

It is an amenable number.

201111222212 is a deficient number, since it is larger than the sum of its proper divisors (150839939644).

201111222212 is a wasteful number, since it uses less digits than its factorization.

201111222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931858 (or 931856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201111222212 its reverse (212222111102), we get a palindrome (413333333314).

The spelling of 201111222212 in words is "two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".