20110222201211 has 16 divisors (see below), whose sum is σ = 20596659832224. Its totient is φ = 19629501825024.

The previous prime is 20110222201177. The next prime is 20110222201213. The reversal of 20110222201211 is 11210222201102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110222201211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110222201211.

It is not an unprimeable number, because it can be changed into a prime (20110222201213) 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, 300222155 + ... + 300289131.

It is an arithmetic number, because the mean of its divisors is an integer number (1287291239514).

Almost surely, 2^{20110222201211} is an apocalyptic number.

20110222201211 is a deficient number, since it is larger than the sum of its proper divisors (486437631013).

20110222201211 is an equidigital number, since it uses as much as digits as its factorization.

20110222201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109550.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20110222201211 its reverse (11210222201102), we get a palindrome (31320444402313).

The spelling of 20110222201211 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".