11100112111222 has 4 divisors (see below), whose sum is σ = 16650168166836. Its totient is φ = 5550056055610.

The previous prime is 11100112111177. The next prime is 11100112111223. The reversal of 11100112111222 is 22211121100111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11100112111196 and 11100112111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100112111223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775028027804 + ... + 2775028027807.

It is an arithmetic number, because the mean of its divisors is an integer number (4162542041709).

Almost surely, 2^{11100112111222} is an apocalyptic number.

11100112111222 is a deficient number, since it is larger than the sum of its proper divisors (5550056055614).

11100112111222 is an equidigital number, since it uses as much as digits as its factorization.

11100112111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550056055613.

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

Adding to 11100112111222 its reverse (22211121100111), we get a palindrome (33311233211333).

The spelling of 11100112111222 in words is "eleven trillion, one hundred billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".