4311012244221 has 12 divisors (see below), whose sum is σ = 6243712108348. Its totient is φ = 2866303044864.

The previous prime is 4311012244207. The next prime is 4311012244261. The reversal of 4311012244221 is 1224422101134.

4311012244221 is a `hidden beast` number, since 4 + 3 + 1 + 10 + 1 + 224 + 422 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 819667676025 + 3491344568196 = 905355^2 + 1868514^2 .

It is not a de Polignac number, because 4311012244221 - 2¹⁸ = 4311011982077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311012244261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642089620 + ... + 642096333.

Almost surely, 2^{4311012244221} is an apocalyptic number.

It is an amenable number.

4311012244221 is a deficient number, since it is larger than the sum of its proper divisors (1932699864127).

4311012244221 is a wasteful number, since it uses less digits than its factorization.

4311012244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284186332 (or 1284186329 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 4311012244221 its reverse (1224422101134), we get a palindrome (5535434345355).

The spelling of 4311012244221 in words is "four trillion, three hundred eleven billion, twelve million, two hundred forty-four thousand, two hundred twenty-one".