2011222112222 has 16 divisors (see below), whose sum is σ = 3046223311872. Its totient is φ = 995814986040.

The previous prime is 2011222112209. The next prime is 2011222112257. The reversal of 2011222112222 is 2222112221102.

It is a junction number, because it is equal to n+sod(n) for n = 2011222112194 and 2011222112203.

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, 6833303 + ... + 7121549.

It is an arithmetic number, because the mean of its divisors is an integer number (190388956992).

Almost surely, 2^{2011222112222} is an apocalyptic number.

2011222112222 is a deficient number, since it is larger than the sum of its proper divisors (1035001199650).

2011222112222 is a wasteful number, since it uses less digits than its factorization.

2011222112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322223.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2011222112222 its reverse (2222112221102), we get a palindrome (4233334333324).

The spelling of 2011222112222 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".