21200002202211 has 32 divisors (see below), whose sum is σ = 33360653733888. Its totient is φ = 11718652216320.

The previous prime is 21200002202201. The next prime is 21200002202227. The reversal of 21200002202211 is 11220220000212.

It is not a de Polignac number, because 21200002202211 - 2⁵ = 21200002202179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21200002202201) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5163250 + ... + 8310183.

It is an arithmetic number, because the mean of its divisors is an integer number (1042520429184).

Almost surely, 2^{21200002202211} is an apocalyptic number.

21200002202211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21200002202211 is a deficient number, since it is larger than the sum of its proper divisors (12160651531677).

21200002202211 is a wasteful number, since it uses less digits than its factorization.

21200002202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13475891.

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

Adding to 21200002202211 its reverse (11220220000212), we get a palindrome (32420222202423).

The spelling of 21200002202211 in words is "twenty-one trillion, two hundred billion, two million, two hundred two thousand, two hundred eleven".