21211010200202 has 16 divisors (see below), whose sum is σ = 32493640631040. Its totient is φ = 10379799131568.

The previous prime is 21211010200201. The next prime is 21211010200213. The reversal of 21211010200202 is 20200201011212.

It is not an unprimeable number, because it can be changed into a prime (21211010200201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20385683 + ... + 21400889.

It is an arithmetic number, because the mean of its divisors is an integer number (2030852539440).

Almost surely, 2^{21211010200202} is an apocalyptic number.

21211010200202 is a deficient number, since it is larger than the sum of its proper divisors (11282630430838).

21211010200202 is a wasteful number, since it uses less digits than its factorization.

21211010200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237525.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21211010200202 its reverse (20200201011212), we get a palindrome (41411211211414).

The spelling of 21211010200202 in words is "twenty-one trillion, two hundred eleven billion, ten million, two hundred thousand, two hundred two".