111222211001222 has 8 divisors (see below), whose sum is σ = 168453057439056. Its totient is φ = 55071191854872.

The previous prime is 111222211001141. The next prime is 111222211001261. The reversal of 111222211001222 is 222100112222111.

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 = 111222211001194 and 111222211001203.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 269956822613 + ... + 269956823024.

It is an arithmetic number, because the mean of its divisors is an integer number (21056632179882).

Almost surely, 2^{111222211001222} is an apocalyptic number.

111222211001222 is a deficient number, since it is larger than the sum of its proper divisors (57230846437834).

111222211001222 is a wasteful number, since it uses less digits than its factorization.

111222211001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539913645742.

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

Adding to 111222211001222 its reverse (222100112222111), we get a palindrome (333322323223333).

The spelling of 111222211001222 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, one thousand, two hundred twenty-two".