221102002110112 has 48 divisors (see below), whose sum is σ = 435608660085480. Its totient is φ = 110471256096768.

The previous prime is 221102002110089. The next prime is 221102002110113. The reversal of 221102002110112 is 211011200201122.

It can be written as a sum of positive squares in 4 ways, for example, as 216408695818896 + 4693306291216 = 14710836^2 + 2166404^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (221102002110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287288314 + ... + 288056902.

Almost surely, 2^{221102002110112} is an apocalyptic number.

It is an amenable number.

221102002110112 is a deficient number, since it is larger than the sum of its proper divisors (214506657975368).

221102002110112 is a wasteful number, since it uses less digits than its factorization.

221102002110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775073 (or 775065 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221102002110112 its reverse (211011200201122), we get a palindrome (432113202311234).

The spelling of 221102002110112 in words is "two hundred twenty-one trillion, one hundred two billion, two million, one hundred ten thousand, one hundred twelve".