2033443012021 has 2 divisors, whose sum is σ = 2033443012022. Its totient is φ = 2033443012020.

The previous prime is 2033443012009. The next prime is 2033443012049. The reversal of 2033443012021 is 1202103443302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027121012900 + 6321999121 = 1423770^2 + 79511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033443012021 - 2¹⁹ = 2033442487733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2033443012061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016721506010 + 1016721506011.

It is an arithmetic number, because the mean of its divisors is an integer number (1016721506011).

Almost surely, 2^{2033443012021} is an apocalyptic number.

It is an amenable number.

2033443012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033443012021 is an equidigital number, since it uses as much as digits as its factorization.

2033443012021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2033443012021 its reverse (1202103443302), we get a palindrome (3235546455323).

The spelling of 2033443012021 in words is "two trillion, thirty-three billion, four hundred forty-three million, twelve thousand, twenty-one".