11100211222 has 4 divisors (see below), whose sum is σ = 16650316836. Its totient is φ = 5550105610.

The previous prime is 11100211201. The next prime is 11100211231. The reversal of 11100211222 is 22211200111.

11100211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22211200111 = 17 ⋅1306541183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775052804 + ... + 2775052807.

It is an arithmetic number, because the mean of its divisors is an integer number (4162579209).

Almost surely, 2^11100211222 is an apocalyptic number.

11100211222 is a deficient number, since it is larger than the sum of its proper divisors (5550105614).

11100211222 is an equidigital number, since it uses as much as digits as its factorization.

11100211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550105613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11100211222 its reverse (22211200111), we get a palindrome (33311411333).

The spelling of 11100211222 in words is "eleven billion, one hundred million, two hundred eleven thousand, two hundred twenty-two".