122223331211 has 4 divisors (see below), whose sum is σ = 122224404792. Its totient is φ = 122222257632.

The previous prime is 122223331207. The next prime is 122223331229. The reversal of 122223331211 is 112133322221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 112133322221 = 180667 ⋅620663.

It is a cyclic number.

It is not a de Polignac number, because 122223331211 - 2² = 122223331207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122223331511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342605 + ... + 601518.

It is an arithmetic number, because the mean of its divisors is an integer number (30556101198).

Almost surely, 2^122223331211 is an apocalyptic number.

122223331211 is a deficient number, since it is larger than the sum of its proper divisors (1073581).

122223331211 is an equidigital number, since it uses as much as digits as its factorization.

122223331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073580.

The product of its digits is 864, while the sum is 23.

Adding to 122223331211 its reverse (112133322221), we get a palindrome (234356653432).

It can be divided in two parts, 12222 and 3331211, that added together give a palindrome (3343433).

The spelling of 122223331211 in words is "one hundred twenty-two billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred eleven".