21120022010211 has 16 divisors (see below), whose sum is σ = 28424110253184. Its totient is φ = 13947982582464.

The previous prime is 21120022010207. The next prime is 21120022010231. The reversal of 21120022010211 is 11201022002112.

It is not a de Polignac number, because 21120022010211 - 2² = 21120022010207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120022010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9230895 + ... + 11289351.

It is an arithmetic number, because the mean of its divisors is an integer number (1776506890824).

Almost surely, 2^{21120022010211} is an apocalyptic number.

21120022010211 is a deficient number, since it is larger than the sum of its proper divisors (7304088242973).

21120022010211 is a wasteful number, since it uses less digits than its factorization.

21120022010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090530.

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

Adding to 21120022010211 its reverse (11201022002112), we get a palindrome (32321044012323).

The spelling of 21120022010211 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, ten thousand, two hundred eleven".