11111100112222 has 8 divisors (see below), whose sum is σ = 18181800183672. Its totient is φ = 5050500051000.

The previous prime is 11111100112183. The next prime is 11111100112261. The reversal of 11111100112222 is 22221100111111.

It is an interprime number because it is at equal distance from previous prime (11111100112183) and next prime (11111100112261).

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11111100112196 and 11111100112205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252525002529 + ... + 252525002572.

It is an arithmetic number, because the mean of its divisors is an integer number (2272725022959).

Almost surely, 2^{11111100112222} is an apocalyptic number.

11111100112222 is a deficient number, since it is larger than the sum of its proper divisors (7070700071450).

11111100112222 is a wasteful number, since it uses less digits than its factorization.

11111100112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505050005114.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11111100112222 its reverse (22221100111111), we get a palindrome (33332200223333).

The spelling of 11111100112222 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred twelve thousand, two hundred twenty-two".