24421402121 has 8 divisors (see below), whose sum is σ = 24673892544. Its totient is φ = 24169361040.

The previous prime is 24421402091. The next prime is 24421402123. The reversal of 24421402121 is 12120412442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24421402121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24421402123) 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, 2525 + ... + 221018.

It is an arithmetic number, because the mean of its divisors is an integer number (3084236568).

Almost surely, 2^24421402121 is an apocalyptic number.

It is an amenable number.

24421402121 is a deficient number, since it is larger than the sum of its proper divisors (252490423).

24421402121 is a wasteful number, since it uses less digits than its factorization.

24421402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224671.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 24421402121 its reverse (12120412442), we get a palindrome (36541814563).

The spelling of 24421402121 in words is "twenty-four billion, four hundred twenty-one million, four hundred two thousand, one hundred twenty-one".