122222122110211 has 4 divisors (see below), whose sum is σ = 122237168544792. Its totient is φ = 122207075675632.

The previous prime is 122222122110191. The next prime is 122222122110217. The reversal of 122222122110211 is 112011221222221.

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 122222122110211 - 2²⁵ = 122222088555779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222122110217) 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, 7523205106 + ... + 7523221351.

It is an arithmetic number, because the mean of its divisors is an integer number (30559292136198).

Almost surely, 2^{122222122110211} is an apocalyptic number.

122222122110211 is a deficient number, since it is larger than the sum of its proper divisors (15046434581).

122222122110211 is an equidigital number, since it uses as much as digits as its factorization.

122222122110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15046434580.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122222122110211 its reverse (112011221222221), we get a palindrome (234233343332432).

The spelling of 122222122110211 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred eleven".