11121122201222 has 8 divisors (see below), whose sum is σ = 18198199965672. Its totient is φ = 5055055546000.

The previous prime is 11121122201219. The next prime is 11121122201279. The reversal of 11121122201222 is 22210222112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11121122201194 and 11121122201203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252752777279 + ... + 252752777322.

It is an arithmetic number, because the mean of its divisors is an integer number (2274774995709).

Almost surely, 2^{11121122201222} is an apocalyptic number.

11121122201222 is a deficient number, since it is larger than the sum of its proper divisors (7077077764450).

11121122201222 is a wasteful number, since it uses less digits than its factorization.

11121122201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505505554614.

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

Adding to 11121122201222 its reverse (22210222112111), we get a palindrome (33331344313333).

The spelling of 11121122201222 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred twenty-two".