20110211110211 has 8 divisors (see below), whose sum is σ = 20218636326720. Its totient is φ = 20001829473792.

The previous prime is 20110211110207. The next prime is 20110211110271. The reversal of 20110211110211 is 11201111201102.

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

It is not a de Polignac number, because 20110211110211 - 2² = 20110211110207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110211110271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9969416 + ... + 11815653.

It is an arithmetic number, because the mean of its divisors is an integer number (2527329540840).

Almost surely, 2^{20110211110211} is an apocalyptic number.

20110211110211 is a deficient number, since it is larger than the sum of its proper divisors (108425216509).

20110211110211 is a wasteful number, since it uses less digits than its factorization.

20110211110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790045.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20110211110211 its reverse (11201111201102), we get a palindrome (31311322311313).

The spelling of 20110211110211 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, two hundred eleven".