111021100111222 has 16 divisors (see below), whose sum is σ = 190372010274720. Its totient is φ = 47567940383808.

The previous prime is 111021100111217. The next prime is 111021100111279. The reversal of 111021100111222 is 222111001120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021100111196 and 111021100111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044202647 + ... + 1044308962.

It is an arithmetic number, because the mean of its divisors is an integer number (11898250642170).

Almost surely, 2^{111021100111222} is an apocalyptic number.

111021100111222 is a deficient number, since it is larger than the sum of its proper divisors (79350910163498).

111021100111222 is a wasteful number, since it uses less digits than its factorization.

111021100111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088515415.

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

Adding to 111021100111222 its reverse (222111001120111), we get a palindrome (333132101231333).

The spelling of 111021100111222 in words is "one hundred eleven trillion, twenty-one billion, one hundred million, one hundred eleven thousand, two hundred twenty-two".