4042211224221 has 8 divisors (see below), whose sum is σ = 5988461072960. Its totient is φ = 2694807482796.

The previous prime is 4042211224193. The next prime is 4042211224339. The reversal of 4042211224221 is 1224221122404.

4042211224221 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 211 + 22 + 422 + 1 = 666.

4042211224221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4042211224221 - 2⁵ = 4042211224189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 149711526823 = 4042211224221 / (4 + 0 + 4 + 2 + 2 + 1 + 1 + 2 + 2 + 4 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042211223221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74855763385 + ... + 74855763438.

It is an arithmetic number, because the mean of its divisors is an integer number (748557634120).

Almost surely, 2^{4042211224221} is an apocalyptic number.

It is an amenable number.

4042211224221 is a deficient number, since it is larger than the sum of its proper divisors (1946249848739).

4042211224221 is a wasteful number, since it uses less digits than its factorization.

4042211224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149711526832 (or 149711526826 counting only the distinct ones).

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

Adding to 4042211224221 its reverse (1224221122404), we get a palindrome (5266432346625).

The spelling of 4042211224221 in words is "four trillion, forty-two billion, two hundred eleven million, two hundred twenty-four thousand, two hundred twenty-one".