22222001111012 has 12 divisors (see below), whose sum is σ = 38977086234240. Its totient is φ = 11085690758376.

The previous prime is 22222001110961. The next prime is 22222001111039. The reversal of 22222001111012 is 21011110022222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6327447308 + ... + 6327450819.

It is an arithmetic number, because the mean of its divisors is an integer number (3248090519520).

Almost surely, 2^{22222001111012} is an apocalyptic number.

It is an amenable number.

22222001111012 is a deficient number, since it is larger than the sum of its proper divisors (16755085123228).

22222001111012 is a wasteful number, since it uses less digits than its factorization.

22222001111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654898570 (or 12654898568 counting only the distinct ones).

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

Adding to 22222001111012 its reverse (21011110022222), we get a palindrome (43233111133234).

The spelling of 22222001111012 in words is "twenty-two trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, twelve".