311122312122 has 8 divisors (see below), whose sum is σ = 622244624256. Its totient is φ = 103707437372.

The previous prime is 311122312121. The next prime is 311122312289. The reversal of 311122312122 is 221213221113.

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

311122312122 is an admirable number.

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

It is not an unprimeable number, because it can be changed into a prime (311122312121) 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, 25926859338 + ... + 25926859349.

It is an arithmetic number, because the mean of its divisors is an integer number (77780578032).

Almost surely, 2^311122312122 is an apocalyptic number.

311122312122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311122312122 is a wasteful number, since it uses less digits than its factorization.

311122312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51853718692.

The product of its digits is 288, while the sum is 21.

Adding to 311122312122 its reverse (221213221113), we get a palindrome (532335533235).

The spelling of 311122312122 in words is "three hundred eleven billion, one hundred twenty-two million, three hundred twelve thousand, one hundred twenty-two".