221010110211112 has 16 divisors (see below), whose sum is σ = 414449379247860. Its totient is φ = 110490275745024.

The previous prime is 221010110211097. The next prime is 221010110211119. The reversal of 221010110211112 is 211112011010122.

It can be written as a sum of positive squares in 2 ways, for example, as 219464847407716 + 1545262803396 = 14814346^2 + 1243086^2 .

It is not an unprimeable number, because it can be changed into a prime (221010110211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847356513 + ... + 1847476144.

Almost surely, 2^{221010110211112} is an apocalyptic number.

It is an amenable number.

221010110211112 is a deficient number, since it is larger than the sum of its proper divisors (193439269036748).

221010110211112 is a wasteful number, since it uses less digits than its factorization.

221010110211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694840140 (or 3694840136 counting only the distinct ones).

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

Adding to 221010110211112 its reverse (211112011010122), we get a palindrome (432122121221234).

The spelling of 221010110211112 in words is "two hundred twenty-one trillion, ten billion, one hundred ten million, two hundred eleven thousand, one hundred twelve".