21120210010211 has 16 divisors (see below), whose sum is σ = 23033339683200. Its totient is φ = 19248306974208.

The previous prime is 21120210010199. The next prime is 21120210010217. The reversal of 21120210010211 is 11201001202112.

It is not a de Polignac number, because 21120210010211 - 2¹⁰ = 21120210009187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21120210010217) 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, 43476815 + ... + 43959911.

It is an arithmetic number, because the mean of its divisors is an integer number (1439583730200).

Almost surely, 2^{21120210010211} is an apocalyptic number.

21120210010211 is a deficient number, since it is larger than the sum of its proper divisors (1913129672989).

21120210010211 is a wasteful number, since it uses less digits than its factorization.

21120210010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525758.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21120210010211 its reverse (11201001202112), we get a palindrome (32321211212323).

The spelling of 21120210010211 in words is "twenty-one trillion, one hundred twenty billion, two hundred ten million, ten thousand, two hundred eleven".