21032202043 has 2 divisors, whose sum is σ = 21032202044. Its totient is φ = 21032202042.

The previous prime is 21032202007. The next prime is 21032202049. The reversal of 21032202043 is 34020223012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21032202043 - 2¹⁷ = 21032070971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21032202043.

It is not a weakly prime, because it can be changed into another prime (21032202049) 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, 10516101021 + 10516101022.

It is an arithmetic number, because the mean of its divisors is an integer number (10516101022).

Almost surely, 2^21032202043 is an apocalyptic number.

21032202043 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032202043 is an equidigital number, since it uses as much as digits as its factorization.

21032202043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21032202043 its reverse (34020223012), we get a palindrome (55052425055).

The spelling of 21032202043 in words is "twenty-one billion, thirty-two million, two hundred two thousand, forty-three".