241221424542021 has 24 divisors (see below), whose sum is σ = 434407413895104. Its totient is φ = 125309830930560.

The previous prime is 241221424542017. The next prime is 241221424542071. The reversal of 241221424542021 is 120245424122142.

241221424542021 is a `hidden beast` number, since 2 + 4 + 1 + 2 + 21 + 424 + 5 + 4 + 202 + 1 = 666.

It is not a de Polignac number, because 241221424542021 - 2² = 241221424542017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221424542011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174041431156 + ... + 174041432541.

It is an arithmetic number, because the mean of its divisors is an integer number (18100308912296).

Almost surely, 2^{241221424542021} is an apocalyptic number.

241221424542021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

241221424542021 is a deficient number, since it is larger than the sum of its proper divisors (193185989353083).

241221424542021 is a wasteful number, since it uses less digits than its factorization.

241221424542021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348082863721 (or 348082863718 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

Adding to 241221424542021 its reverse (120245424122142), we get a palindrome (361466848664163).

The spelling of 241221424542021 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred twenty-four million, five hundred forty-two thousand, twenty-one".