21332003141 has 2 divisors, whose sum is σ = 21332003142. Its totient is φ = 21332003140.

The previous prime is 21332003117. The next prime is 21332003191. The reversal of 21332003141 is 14130023312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16136620900 + 5195382241 = 127030^2 + 72079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21332003141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21332003111) 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, 10666001570 + 10666001571.

It is an arithmetic number, because the mean of its divisors is an integer number (10666001571).

Almost surely, 2^21332003141 is an apocalyptic number.

It is an amenable number.

21332003141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332003141 is an equidigital number, since it uses as much as digits as its factorization.

21332003141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21332003141 its reverse (14130023312), we get a palindrome (35462026453).

The spelling of 21332003141 in words is "twenty-one billion, three hundred thirty-two million, three thousand, one hundred forty-one".