203414224021 has 2 divisors, whose sum is σ = 203414224022. Its totient is φ = 203414224020.

The previous prime is 203414224001. The next prime is 203414224033. The reversal of 203414224021 is 120422414302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202535101521 + 879122500 = 450039^2 + 29650^2 .

It is a cyclic number.

It is not a de Polignac number, because 203414224021 - 2¹⁷ = 203414092949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203414224001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101707112010 + 101707112011.

It is an arithmetic number, because the mean of its divisors is an integer number (101707112011).

Almost surely, 2^203414224021 is an apocalyptic number.

It is an amenable number.

203414224021 is a deficient number, since it is larger than the sum of its proper divisors (1).

203414224021 is an equidigital number, since it uses as much as digits as its factorization.

203414224021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 203414224021 its reverse (120422414302), we get a palindrome (323836638323).

The spelling of 203414224021 in words is "two hundred three billion, four hundred fourteen million, two hundred twenty-four thousand, twenty-one".