122221211122 has 8 divisors (see below), whose sum is σ = 183575935872. Its totient is φ = 61029232500.

The previous prime is 122221211117. The next prime is 122221211141. The reversal of 122221211122 is 221112122221.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122221211122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40684654 + ... + 40687657.

It is an arithmetic number, because the mean of its divisors is an integer number (22946991984).

Almost surely, 2^122221211122 is an apocalyptic number.

122221211122 is a deficient number, since it is larger than the sum of its proper divisors (61354724750).

122221211122 is an equidigital number, since it uses as much as digits as its factorization.

122221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81373064.

The product of its digits is 128, while the sum is 19.

Adding to 122221211122 its reverse (221112122221), we get a palindrome (343333333343).

The spelling of 122221211122 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".