22112111222122 has 8 divisors (see below), whose sum is σ = 33168204947556. Its totient is φ = 11056042906272.

The previous prime is 22112111222053. The next prime is 22112111222141. The reversal of 22112111222122 is 22122211121122.

It can be written as a sum of positive squares in 2 ways, for example, as 15833483515161 + 6278627706961 = 3979131^2 + 2505719^2 .

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 junction number, because it is equal to n+sod(n) for n = 22112111222093 and 22112111222102.

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, 4003053 + ... + 7762000.

Almost surely, 2^{22112111222122} is an apocalyptic number.

22112111222122 is a deficient number, since it is larger than the sum of its proper divisors (11056093725434).

22112111222122 is a wasteful number, since it uses less digits than its factorization.

22112111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704792.

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

Adding to 22112111222122 its reverse (22122211121122), we get a palindrome (44234322343244).

The spelling of 22112111222122 in words is "twenty-two trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".