242010320421 has 8 divisors (see below), whose sum is σ = 325640798560. Its totient is φ = 159860027952.

The previous prime is 242010320351. The next prime is 242010320509. The reversal of 242010320421 is 124023010242.

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

It is not a de Polignac number, because 242010320421 - 2¹¹ = 242010318373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242010320521) 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, 370046035 + ... + 370046688.

It is an arithmetic number, because the mean of its divisors is an integer number (40705099820).

Almost surely, 2^242010320421 is an apocalyptic number.

It is an amenable number.

242010320421 is a deficient number, since it is larger than the sum of its proper divisors (83630478139).

242010320421 is a wasteful number, since it uses less digits than its factorization.

242010320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740092835.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 242010320421 its reverse (124023010242), we get a palindrome (366033330663).

The spelling of 242010320421 in words is "two hundred forty-two billion, ten million, three hundred twenty thousand, four hundred twenty-one".