111220022212 has 48 divisors (see below), whose sum is σ = 216993111552. Its totient is φ = 49533027840.

The previous prime is 111220022209. The next prime is 111220022297. The reversal of 111220022212 is 212220022111.

It is a happy number.

111220022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459948 + ... + 658780.

It is an arithmetic number, because the mean of its divisors is an integer number (4520689824).

Almost surely, 2^111220022212 is an apocalyptic number.

It is an amenable number.

111220022212 is a deficient number, since it is larger than the sum of its proper divisors (105773089340).

111220022212 is a wasteful number, since it uses less digits than its factorization.

111220022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199228 (or 199226 counting only the distinct ones).

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

Adding to 111220022212 its reverse (212220022111), we get a palindrome (323440044323).

The spelling of 111220022212 in words is "one hundred eleven billion, two hundred twenty million, twenty-two thousand, two hundred twelve".