22222112111012 has 48 divisors (see below), whose sum is σ = 44660970070080. Its totient is φ = 9568453276800.

The previous prime is 22222112110981. The next prime is 22222112111039. The reversal of 22222112111012 is 21011121122222.

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 15 ways as a sum of consecutive naturals, for example, 7947062 + ... + 10373042.

It is an arithmetic number, because the mean of its divisors is an integer number (930436876460).

Almost surely, 2^{22222112111012} is an apocalyptic number.

22222112111012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222112111012 is an abundant number, since it is smaller than the sum of its proper divisors (22438857959068).

22222112111012 is a wasteful number, since it uses less digits than its factorization.

22222112111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436972 (or 2436970 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22222112111012 its reverse (21011121122222), we get a palindrome (43233233233234).

The spelling of 22222112111012 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, twelve".