21033002020210 has 16 divisors (see below), whose sum is σ = 37863538277976. Its totient is φ = 8412281998848.

The previous prime is 21033002020049. The next prime is 21033002020237. The reversal of 21033002020210 is 1202020033012.

It can be written as a sum of positive squares in 4 ways, for example, as 11415269065201 + 9617732955009 = 3378649^2 + 3101247^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 114755007 + ... + 114938146.

Almost surely, 2^{21033002020210} is an apocalyptic number.

21033002020210 is a deficient number, since it is larger than the sum of its proper divisors (16830536257766).

21033002020210 is a wasteful number, since it uses less digits than its factorization.

21033002020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229702317.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21033002020210 its reverse (1202020033012), we get a palindrome (22235022053222).

The spelling of 21033002020210 in words is "twenty-one trillion, thirty-three billion, two million, twenty thousand, two hundred ten".