111021002112222 has 24 divisors (see below), whose sum is σ = 240549077770560. Its totient is φ = 37006450981920.

The previous prime is 111021002112191. The next prime is 111021002112259. The reversal of 111021002112222 is 222211200120111.

111021002112222 is a `hidden beast` number, since 11 + 10 + 210 + 0 + 211 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111021002112195 and 111021002112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44563854 + ... + 46989137.

It is an arithmetic number, because the mean of its divisors is an integer number (10022878240440).

Almost surely, 2^{111021002112222} is an apocalyptic number.

111021002112222 is an abundant number, since it is smaller than the sum of its proper divisors (129528075658338).

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

111021002112222 is a wasteful number, since it uses less digits than its factorization.

111021002112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91620368 (or 91620365 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111021002112222 its reverse (222211200120111), we get a palindrome (333232202232333).

The spelling of 111021002112222 in words is "one hundred eleven trillion, twenty-one billion, two million, one hundred twelve thousand, two hundred twenty-two".