11001022112222 has 4 divisors (see below), whose sum is σ = 16501533168336. Its totient is φ = 5500511056110.

The previous prime is 11001022112207. The next prime is 11001022112239. The reversal of 11001022112222 is 22221122010011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11001022112222.

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, 2750255528054 + ... + 2750255528057.

It is an arithmetic number, because the mean of its divisors is an integer number (4125383292084).

Almost surely, 2^{11001022112222} is an apocalyptic number.

11001022112222 is a deficient number, since it is larger than the sum of its proper divisors (5500511056114).

11001022112222 is an equidigital number, since it uses as much as digits as its factorization.

11001022112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500511056113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11001022112222 its reverse (22221122010011), we get a palindrome (33222144122233).

The spelling of 11001022112222 in words is "eleven trillion, one billion, twenty-two million, one hundred twelve thousand, two hundred twenty-two".