242201004024421 has 16 divisors (see below), whose sum is σ = 269252637470208. Its totient is φ = 216352707451200.

The previous prime is 242201004024409. The next prime is 242201004024437. The reversal of 242201004024421 is 124420400102242.

It is a happy number.

242201004024421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-242201004024421 is a prime.

It is a super-2 number, since 2×242201004024421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242201004024421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242201004024461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8234055 + ... + 23498971.

It is an arithmetic number, because the mean of its divisors is an integer number (16828289841888).

Almost surely, 2^{242201004024421} is an apocalyptic number.

It is an amenable number.

242201004024421 is a deficient number, since it is larger than the sum of its proper divisors (27051633445787).

242201004024421 is a wasteful number, since it uses less digits than its factorization.

242201004024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304332.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 242201004024421 its reverse (124420400102242), we get a palindrome (366621404126663).

The spelling of 242201004024421 in words is "two hundred forty-two trillion, two hundred one billion, four million, twenty-four thousand, four hundred twenty-one".