11211112222 has 8 divisors (see below), whose sum is σ = 17701756200. Its totient is φ = 5310526824.

The previous prime is 11211112183. The next prime is 11211112223. The reversal of 11211112222 is 22221111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11211112196 and 11211112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211112223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147514597 + ... + 147514672.

It is an arithmetic number, because the mean of its divisors is an integer number (2212719525).

Almost surely, 2^11211112222 is an apocalyptic number.

11211112222 is a deficient number, since it is larger than the sum of its proper divisors (6490643978).

11211112222 is a wasteful number, since it uses less digits than its factorization.

11211112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295029290.

The product of its digits is 32, while the sum is 16.

Adding to 11211112222 its reverse (22221111211), we get a palindrome (33432223433).

The spelling of 11211112222 in words is "eleven billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".