2011112222 has 16 divisors (see below), whose sum is σ = 3448199040. Its totient is φ = 861760728.

The previous prime is 2011112221. The next prime is 2011112227. The reversal of 2011112222 is 2222111102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2011112197 and 2011112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145529 + ... + 158747.

It is an arithmetic number, because the mean of its divisors is an integer number (215512440).

Almost surely, 2^2011112222 is an apocalyptic number.

2011112222 is a deficient number, since it is larger than the sum of its proper divisors (1437086818).

2011112222 is a wasteful number, since it uses less digits than its factorization.

2011112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24095.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2011112222 is about 44845.4258760021. The cubic root of 2011112222 is about 1262.2501620058.

Adding to 2011112222 its reverse (2222111102), we get a palindrome (4233223324).

The spelling of 2011112222 in words is "two billion, eleven million, one hundred twelve thousand, two hundred twenty-two".