11101222222 has 4 divisors (see below), whose sum is σ = 16651833336. Its totient is φ = 5550611110.

The previous prime is 11101222213. The next prime is 11101222229. The reversal of 11101222222 is 22222210111.

It is a happy number.

11101222222 is digitally balanced in base 5, 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: 22222210111 = 59 ⋅376647629.

It is a junction number, because it is equal to n+sod(n) for n = 11101222196 and 11101222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775305554 + ... + 2775305557.

It is an arithmetic number, because the mean of its divisors is an integer number (4162958334).

Almost surely, 2^11101222222 is an apocalyptic number.

11101222222 is a deficient number, since it is larger than the sum of its proper divisors (5550611114).

11101222222 is an equidigital number, since it uses as much as digits as its factorization.

11101222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550611113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11101222222 its reverse (22222210111), we get a palindrome (33323432333).

The spelling of 11101222222 in words is "eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty-two".