21010141303 has 4 divisors (see below), whose sum is σ = 21039363360. Its totient is φ = 20980919248.

The previous prime is 21010141259. The next prime is 21010141351. The reversal of 21010141303 is 30314101012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21010141303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010141363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14609950 + ... + 14611387.

It is an arithmetic number, because the mean of its divisors is an integer number (5259840840).

Almost surely, 2^21010141303 is an apocalyptic number.

21010141303 is a deficient number, since it is larger than the sum of its proper divisors (29222057).

21010141303 is an equidigital number, since it uses as much as digits as its factorization.

21010141303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29222056.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21010141303 its reverse (30314101012), we get a palindrome (51324242315).

The spelling of 21010141303 in words is "twenty-one billion, ten million, one hundred forty-one thousand, three hundred three".