12222120111122 has 16 divisors (see below), whose sum is σ = 18418907019744. Its totient is φ = 6082518000000.

The previous prime is 12222120111049. The next prime is 12222120111211. The reversal of 12222120111122 is 22111102122221.

It is a junction number, because it is equal to n+sod(n) for n = 12222120111094 and 12222120111103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7661279 + ... + 9118082.

It is an arithmetic number, because the mean of its divisors is an integer number (1151181688734).

Almost surely, 2^{12222120111122} is an apocalyptic number.

12222120111122 is a deficient number, since it is larger than the sum of its proper divisors (6196786908622).

12222120111122 is a wasteful number, since it uses less digits than its factorization.

12222120111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16781065.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12222120111122 its reverse (22111102122221), we get a palindrome (34333222233343).

The spelling of 12222120111122 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-two".