4021442014221 has 16 divisors (see below), whose sum is σ = 5957989801920. Its totient is φ = 2680827274800.

The previous prime is 4021442014211. The next prime is 4021442014223. The reversal of 4021442014221 is 1224102441204.

4021442014221 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 4 + 420 + 14 + 221 = 666.

It is not a de Polignac number, because 4021442014221 - 2⁶ = 4021442014157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021442014223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172710 + ... + 4255463.

It is an arithmetic number, because the mean of its divisors is an integer number (372374362620).

Almost surely, 2^{4021442014221} is an apocalyptic number.

It is an amenable number.

4021442014221 is a deficient number, since it is larger than the sum of its proper divisors (1936547787699).

4021442014221 is a wasteful number, since it uses less digits than its factorization.

4021442014221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448233 (or 7448227 counting only the distinct ones).

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

Adding to 4021442014221 its reverse (1224102441204), we get a palindrome (5245544455425).

The spelling of 4021442014221 in words is "four trillion, twenty-one billion, four hundred forty-two million, fourteen thousand, two hundred twenty-one".