21120022110211 has 8 divisors (see below), whose sum is σ = 21259903009280. Its totient is φ = 20980209040128.

The previous prime is 21120022110127. The next prime is 21120022110221. The reversal of 21120022110211 is 11201122002112.

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

It is a cyclic number.

It is not a de Polignac number, because 21120022110211 - 2²⁷ = 21119887892483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21120022110221) 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 7 ways as a sum of consecutive naturals, for example, 16332366 + ... + 17578003.

It is an arithmetic number, because the mean of its divisors is an integer number (2657487876160).

Almost surely, 2^{21120022110211} is an apocalyptic number.

21120022110211 is a deficient number, since it is larger than the sum of its proper divisors (139880899069).

21120022110211 is a wasteful number, since it uses less digits than its factorization.

21120022110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33914493.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21120022110211 its reverse (11201122002112), we get a palindrome (32321144112323).

The spelling of 21120022110211 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, one hundred ten thousand, two hundred eleven".