12221011102222 has 64 divisors (see below), whose sum is σ = 19956922715520. Its totient is φ = 5579313053184.

The previous prime is 12221011102199. The next prime is 12221011102229. The reversal of 12221011102222 is 22220111012221.

It is a super-2 number, since 2×12221011102222² (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 12221011102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221011102229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694299888 + ... + 1694307100.

It is an arithmetic number, because the mean of its divisors is an integer number (311826917430).

Almost surely, 2^{12221011102222} is an apocalyptic number.

12221011102222 is a deficient number, since it is larger than the sum of its proper divisors (7735911613298).

12221011102222 is a wasteful number, since it uses less digits than its factorization.

12221011102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221011102222 its reverse (22220111012221), we get a palindrome (34441122114443).

Subtracting 12221011102222 from its reverse (22220111012221), we obtain a palindrome (9999099909999).

The spelling of 12221011102222 in words is "twelve trillion, two hundred twenty-one billion, eleven million, one hundred two thousand, two hundred twenty-two".