43034001032221 has 2 divisors, whose sum is σ = 43034001032222. Its totient is φ = 43034001032220.

The previous prime is 43034001032207. The next prime is 43034001032317. The reversal of 43034001032221 is 12223010043034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42869939580196 + 164061452025 = 6547514^2 + 405045^2 .

It is a cyclic number.

It is not a de Polignac number, because 43034001032221 - 2⁵ = 43034001032189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43034001732221) 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, 21517000516110 + 21517000516111.

It is an arithmetic number, because the mean of its divisors is an integer number (21517000516111).

Almost surely, 2^{43034001032221} is an apocalyptic number.

It is an amenable number.

43034001032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

43034001032221 is an equidigital number, since it uses as much as digits as its factorization.

43034001032221 is an odious number, because the sum of its binary digits is odd.

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

Adding to 43034001032221 its reverse (12223010043034), we get a palindrome (55257011075255).

The spelling of 43034001032221 in words is "forty-three trillion, thirty-four billion, one million, thirty-two thousand, two hundred twenty-one".