21000202200010 has 32 divisors (see below), whose sum is σ = 41700095092800. Its totient is φ = 7550634495360.

The previous prime is 21000202200001. The next prime is 21000202200011. The reversal of 21000202200010 is 1000220200012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 21000202200010.

It is not an unprimeable number, because it can be changed into a prime (21000202200011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072523520 + ... + 1072543099.

It is an arithmetic number, because the mean of its divisors is an integer number (1303127971650).

Almost surely, 2^{21000202200010} is an apocalyptic number.

21000202200010 is a deficient number, since it is larger than the sum of its proper divisors (20699892892790).

21000202200010 is a wasteful number, since it uses less digits than its factorization.

21000202200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145066726.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 21000202200010 its reverse (1000220200012), we get a palindrome (22000422400022).

It can be divided in two parts, 21000202 and 200010, that added together give a palindrome (21200212).

The spelling of 21000202200010 in words is "twenty-one trillion, two hundred two million, two hundred thousand, ten".