122011222110211 has 4 divisors (see below), whose sum is σ = 139441396697392. Its totient is φ = 104581047523032.

The previous prime is 122011222110209. The next prime is 122011222110241. The reversal of 122011222110211 is 112011222110221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122011222110211 - 2¹ = 122011222110209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122011222110241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715087293580 + ... + 8715087293593.

It is an arithmetic number, because the mean of its divisors is an integer number (34860349174348).

Almost surely, 2^{122011222110211} is an apocalyptic number.

122011222110211 is a deficient number, since it is larger than the sum of its proper divisors (17430174587181).

122011222110211 is an equidigital number, since it uses as much as digits as its factorization.

122011222110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430174587180.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122011222110211 its reverse (112011222110221), we get a palindrome (234022444220432).

It can be divided in two parts, 122011 and 222110211, that added together give a palindrome (222232222).

The spelling of 122011222110211 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, two hundred eleven".