2222144412021 has 12 divisors (see below), whose sum is σ = 3270325739148. Its totient is φ = 1453478105664.

The previous prime is 2222144412013. The next prime is 2222144412023. The reversal of 2222144412021 is 1202144412222.

2222144412021 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 14 + 441 + 202 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1298163996900 + 923980415121 = 1139370^2 + 961239^2 .

It is not a de Polignac number, because 2222144412021 - 2³ = 2222144412013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222144412023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2329291360 + ... + 2329292313.

It is an arithmetic number, because the mean of its divisors is an integer number (272527144929).

Almost surely, 2^{2222144412021} is an apocalyptic number.

It is an amenable number.

2222144412021 is a deficient number, since it is larger than the sum of its proper divisors (1048181327127).

2222144412021 is a wasteful number, since it uses less digits than its factorization.

2222144412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658583732 (or 4658583729 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 2222144412021 its reverse (1202144412222), we get a palindrome (3424288824243).

The spelling of 2222144412021 in words is "two trillion, two hundred twenty-two billion, one hundred forty-four million, four hundred twelve thousand, twenty-one".