11011222222112 has 48 divisors (see below), whose sum is σ = 24775522410240. Its totient is φ = 4719043350528.

The previous prime is 11011222222093. The next prime is 11011222222153. The reversal of 11011222222112 is 21122222211011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25710464 + ... + 26135232.

It is an arithmetic number, because the mean of its divisors is an integer number (516156716880).

Almost surely, 2^{11011222222112} is an apocalyptic number.

It is an amenable number.

11011222222112 is an abundant number, since it is smaller than the sum of its proper divisors (13764300188128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011222222112 is a wasteful number, since it uses less digits than its factorization.

11011222222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540513 (or 540505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11011222222112 its reverse (21122222211011), we get a palindrome (32133444433123).

The spelling of 11011222222112 in words is "eleven trillion, eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".