203342404221 has 48 divisors (see below), whose sum is σ = 321388179840. Its totient is φ = 122865413760.

The previous prime is 203342404201. The next prime is 203342404241. The reversal of 203342404221 is 122404243302.

203342404221 is a `hidden beast` number, since 2 + 0 + 3 + 34 + 2 + 404 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (203342404201) and next prime (203342404241).

It is not a de Polignac number, because 203342404221 - 2¹⁰ = 203342403197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203342404201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58615275 + ... + 58618743.

It is an arithmetic number, because the mean of its divisors is an integer number (6695587080).

Almost surely, 2^203342404221 is an apocalyptic number.

It is an amenable number.

203342404221 is a deficient number, since it is larger than the sum of its proper divisors (118045775619).

203342404221 is a wasteful number, since it uses less digits than its factorization.

203342404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 203342404221 its reverse (122404243302), we get a palindrome (325746647523).

The spelling of 203342404221 in words is "two hundred three billion, three hundred forty-two million, four hundred four thousand, two hundred twenty-one".