4021444433211 has 64 divisors (see below), whose sum is σ = 5792317440000. Its totient is φ = 2474167866624.

The previous prime is 4021444433191. The next prime is 4021444433239. The reversal of 4021444433211 is 1123344441204.

It is a happy number.

It is not a de Polignac number, because 4021444433211 - 2⁵ = 4021444433179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021444433261) 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 63 ways as a sum of consecutive naturals, for example, 164135040 + ... + 164159538.

It is an arithmetic number, because the mean of its divisors is an integer number (90504960000).

Almost surely, 2^{4021444433211} is an apocalyptic number.

4021444433211 is a deficient number, since it is larger than the sum of its proper divisors (1770873006789).

4021444433211 is a wasteful number, since it uses less digits than its factorization.

4021444433211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25080.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 4021444433211 its reverse (1123344441204), we get a palindrome (5144788874415).

The spelling of 4021444433211 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-three thousand, two hundred eleven".