12211120222222 has 16 divisors (see below), whose sum is σ = 18778597285392. Its totient is φ = 5951828566080.

The previous prime is 12211120222211. The next prime is 12211120222243. The reversal of 12211120222222 is 22222202111221.

It is a super-2 number, since 2×12211120222222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211120222193 and 12211120222202.

It is a congruent number.

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, 60091008 + ... + 60293875.

It is an arithmetic number, because the mean of its divisors is an integer number (1173662330337).

Almost surely, 2^{12211120222222} is an apocalyptic number.

12211120222222 is a deficient number, since it is larger than the sum of its proper divisors (6567477063170).

12211120222222 is a wasteful number, since it uses less digits than its factorization.

12211120222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120386163.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12211120222222 its reverse (22222202111221), we get a palindrome (34433322333443).

The spelling of 12211120222222 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".