21200011202211 has 8 divisors (see below), whose sum is σ = 29929427579664. Its totient is φ = 13301967813120.

The previous prime is 21200011202197. The next prime is 21200011202309. The reversal of 21200011202211 is 11220211000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21200011202211 - 2¹⁴ = 21200011185827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21200011202911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207843247030 + ... + 207843247131.

It is an arithmetic number, because the mean of its divisors is an integer number (3741178447458).

Almost surely, 2^{21200011202211} is an apocalyptic number.

21200011202211 is a deficient number, since it is larger than the sum of its proper divisors (8729416377453).

21200011202211 is a wasteful number, since it uses less digits than its factorization.

21200011202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415686494181.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21200011202211 its reverse (11220211000212), we get a palindrome (32420222202423).

The spelling of 21200011202211 in words is "twenty-one trillion, two hundred billion, eleven million, two hundred two thousand, two hundred eleven".