2033203430021 has 2 divisors, whose sum is σ = 2033203430022. Its totient is φ = 2033203430020.

The previous prime is 2033203429973. The next prime is 2033203430033. The reversal of 2033203430021 is 1200343023302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003609109121 + 29594320900 = 1415489^2 + 172030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2033203430021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2033203433021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016601715010 + 1016601715011.

It is an arithmetic number, because the mean of its divisors is an integer number (1016601715011).

Almost surely, 2^{2033203430021} is an apocalyptic number.

It is an amenable number.

2033203430021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033203430021 is an equidigital number, since it uses as much as digits as its factorization.

2033203430021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 2033203430021 its reverse (1200343023302), we get a palindrome (3233546453323).

The spelling of 2033203430021 in words is "two trillion, thirty-three billion, two hundred three million, four hundred thirty thousand, twenty-one".