12211121111122 has 8 divisors (see below), whose sum is σ = 18318660378876. Its totient is φ = 6104900984832.

The previous prime is 12211121111099. The next prime is 12211121111173. The reversal of 12211121111122 is 22111112111221.

It can be written as a sum of positive squares in 2 ways, for example, as 9849246999201 + 2361874111921 = 3138351^2 + 1536839^2 .

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

It is a super-2 number, since 2×12211121111122² (a number of 27 digits) contains 22 as substring.

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 12211121111122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329762223 + ... + 329799250.

Almost surely, 2^{12211121111122} is an apocalyptic number.

12211121111122 is a deficient number, since it is larger than the sum of its proper divisors (6107539267754).

12211121111122 is an equidigital number, since it uses as much as digits as its factorization.

12211121111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659570732.

The product of its digits is 32, while the sum is 19.

Adding to 12211121111122 its reverse (22111112111221), we get a palindrome (34322233222343).

The spelling of 12211121111122 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".