24221142021 has 8 divisors (see below), whose sum is σ = 32301112480. Its totient is φ = 16144299792.

The previous prime is 24221142019. The next prime is 24221142041. The reversal of 24221142021 is 12024112242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 24221142021 - 2¹ = 24221142019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24221142041) 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, 763930 + ... + 795003.

It is an arithmetic number, because the mean of its divisors is an integer number (4037639060).

Almost surely, 2^24221142021 is an apocalyptic number.

It is an amenable number.

24221142021 is a deficient number, since it is larger than the sum of its proper divisors (8079970459).

24221142021 is a wasteful number, since it uses less digits than its factorization.

24221142021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564115.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 24221142021 its reverse (12024112242), we get a palindrome (36245254263).

The spelling of 24221142021 in words is "twenty-four billion, two hundred twenty-one million, one hundred forty-two thousand, twenty-one".