12211102111222 has 16 divisors (see below), whose sum is σ = 20987131070880. Its totient is φ = 5219876184768.

The previous prime is 12211102111163. The next prime is 12211102111249. The reversal of 12211102111222 is 22211120111221.

It is a happy number.

It is a super-2 number, since 2×12211102111222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211102111222.

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, 1121101983 + ... + 1121112874.

It is an arithmetic number, because the mean of its divisors is an integer number (1311695691930).

Almost surely, 2^{12211102111222} is an apocalyptic number.

12211102111222 is a deficient number, since it is larger than the sum of its proper divisors (8776028959658).

12211102111222 is a wasteful number, since it uses less digits than its factorization.

12211102111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242215255.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12211102111222 its reverse (22211120111221), we get a palindrome (34422222222443).

The spelling of 12211102111222 in words is "twelve trillion, two hundred eleven billion, one hundred two million, one hundred eleven thousand, two hundred twenty-two".