21010210103332 has 6 divisors (see below), whose sum is σ = 36767867680838. Its totient is φ = 10505105051664.

The previous prime is 21010210103329. The next prime is 21010210103339. The reversal of 21010210103332 is 23330101201012.

It can be written as a sum of positive squares in only one way, i.e., 15371370961956 + 5638839141376 = 3920634^2 + 2374624^2 .

It is not an unprimeable number, because it can be changed into a prime (21010210103339) 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 as a sum of consecutive naturals, namely, 2626276262913 + ... + 2626276262920.

Almost surely, 2^{21010210103332} is an apocalyptic number.

It is an amenable number.

21010210103332 is a deficient number, since it is larger than the sum of its proper divisors (15757657577506).

21010210103332 is a wasteful number, since it uses less digits than its factorization.

21010210103332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252552525837 (or 5252552525835 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21010210103332 its reverse (23330101201012), we get a palindrome (44340311304344).

The spelling of 21010210103332 in words is "twenty-one trillion, ten billion, two hundred ten million, one hundred three thousand, three hundred thirty-two".