111221100002022 has 16 divisors (see below), whose sum is σ = 224601833015040. Its totient is φ = 36713761165512.

The previous prime is 111221100002017. The next prime is 111221100002039. The reversal of 111221100002022 is 220200001122111.

It is a junction number, because it is equal to n+sod(n) for n = 111221100001992 and 111221100002010.

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, 89984708122 + ... + 89984709357.

It is an arithmetic number, because the mean of its divisors is an integer number (14037614563440).

Almost surely, 2^{111221100002022} is an apocalyptic number.

111221100002022 is an abundant number, since it is smaller than the sum of its proper divisors (113380733013018).

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

111221100002022 is a wasteful number, since it uses less digits than its factorization.

111221100002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179969417587.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111221100002022 its reverse (220200001122111), we get a palindrome (331421101124133).

The spelling of 111221100002022 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred million, two thousand, twenty-two".