111111221222192 has 20 divisors (see below), whose sum is σ = 218807138515296. Its totient is φ = 54644862895680.

The previous prime is 111111221222189. The next prime is 111111221222201. The reversal of 111111221222192 is 291222122111111.

111111221222192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 56921731208 + ... + 56921733159.

Almost surely, 2^{111111221222192} is an apocalyptic number.

It is an amenable number.

111111221222192 is a deficient number, since it is larger than the sum of its proper divisors (107695917293104).

111111221222192 is a wasteful number, since it uses less digits than its factorization.

111111221222192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113843464436 (or 113843464430 counting only the distinct ones).

The product of its digits is 576, while the sum is 29.

The spelling of 111111221222192 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-two".