4242241410021 has 10 divisors (see below), whose sum is σ = 6337175439782. Its totient is φ = 2828160939960.

The previous prime is 4242241410019. The next prime is 4242241410133. The reversal of 4242241410021 is 1200141422424.

4242241410021 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 241 + 410 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3834449330625 + 407792079396 = 1958175^2 + 638586^2 .

It is not a de Polignac number, because 4242241410021 - 2¹ = 4242241410019 is a prime.

It is a super-2 number, since 2×4242241410021² (a number of 26 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242241410221) 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, 26186675290 + ... + 26186675451.

Almost surely, 2^{4242241410021} is an apocalyptic number.

It is an amenable number.

4242241410021 is a deficient number, since it is larger than the sum of its proper divisors (2094934029761).

4242241410021 is an equidigital number, since it uses as much as digits as its factorization.

4242241410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52373350753 (or 52373350744 counting only the distinct ones).

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

Adding to 4242241410021 its reverse (1200141422424), we get a palindrome (5442382832445).

The spelling of 4242241410021 in words is "four trillion, two hundred forty-two billion, two hundred forty-one million, four hundred ten thousand, twenty-one".