21022002200211 has 4 divisors (see below), whose sum is σ = 28029336266952. Its totient is φ = 14014668133472.

The previous prime is 21022002200209. The next prime is 21022002200233. The reversal of 21022002200211 is 11200220022012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022002200211 - 2¹ = 21022002200209 is a prime.

It is a super-2 number, since 2×21022002200211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21022002200011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503667033366 + ... + 3503667033371.

It is an arithmetic number, because the mean of its divisors is an integer number (7007334066738).

Almost surely, 2^{21022002200211} is an apocalyptic number.

21022002200211 is a deficient number, since it is larger than the sum of its proper divisors (7007334066741).

21022002200211 is an equidigital number, since it uses as much as digits as its factorization.

21022002200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007334066740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022002200211 its reverse (11200220022012), we get a palindrome (32222222222223).

The spelling of 21022002200211 in words is "twenty-one trillion, twenty-two billion, two million, two hundred thousand, two hundred eleven".