111221110221122 has 32 divisors (see below), whose sum is σ = 182137964402880. Its totient is φ = 50516231879680.

The previous prime is 111221110221097. The next prime is 111221110221157. The reversal of 111221110221122 is 221122011122111.

It is a happy number.

111221110221122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111221110221094 and 111221110221103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210935129 + ... + 211461747.

It is an arithmetic number, because the mean of its divisors is an integer number (5691811387590).

Almost surely, 2^{111221110221122} is an apocalyptic number.

111221110221122 is a deficient number, since it is larger than the sum of its proper divisors (70916854181758).

111221110221122 is a wasteful number, since it uses less digits than its factorization.

111221110221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533986.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111221110221122 its reverse (221122011122111), we get a palindrome (332343121343233).

The spelling of 111221110221122 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".