111110220221122 has 16 divisors (see below), whose sum is σ = 166804810902720. Its totient is φ = 55508618334832.

The previous prime is 111110220221111. The next prime is 111110220221183. The reversal of 111110220221122 is 221122022011111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111110220221122.

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, 135562113 + ... + 136379275.

It is an arithmetic number, because the mean of its divisors is an integer number (10425300681420).

Almost surely, 2^{111110220221122} is an apocalyptic number.

111110220221122 is a deficient number, since it is larger than the sum of its proper divisors (55694590681598).

111110220221122 is a wasteful number, since it uses less digits than its factorization.

111110220221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873977.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111110220221122 its reverse (221122022011111), we get a palindrome (332232242232233).

The spelling of 111110220221122 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".