4424212041021 has 10 divisors (see below), whose sum is σ = 6609008110782. Its totient is φ = 2949474693960.

The previous prime is 4424212041019. The next prime is 4424212041077. The reversal of 4424212041021 is 1201402124244.

4424212041021 is a `hidden beast` number, since 4 + 4 + 2 + 421 + 204 + 10 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3563464145796 + 860747895225 = 1887714^2 + 927765^2 .

It is not a de Polignac number, because 4424212041021 - 2¹ = 4424212041019 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 (4424212041421) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27309950790 + ... + 27309950951.

Almost surely, 2^{4424212041021} is an apocalyptic number.

It is an amenable number.

4424212041021 is a deficient number, since it is larger than the sum of its proper divisors (2184796069761).

4424212041021 is an equidigital number, since it uses as much as digits as its factorization.

4424212041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54619901753 (or 54619901744 counting only the distinct ones).

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

Adding to 4424212041021 its reverse (1201402124244), we get a palindrome (5625614165265).

The spelling of 4424212041021 in words is "four trillion, four hundred twenty-four billion, two hundred twelve million, forty-one thousand, twenty-one".