12211122111202 has 24 divisors (see below), whose sum is σ = 21430324867356. Its totient is φ = 5203087531488.

The previous prime is 12211122111197. The next prime is 12211122111241. The reversal of 12211122111202 is 20211122111221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9124392876921 + 3086729234281 = 3020661^2 + 1756909^2 .

It is a super-2 number, since 2×12211122111202² (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 12211122111202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360108153 + ... + 360142060.

Almost surely, 2^{12211122111202} is an apocalyptic number.

12211122111202 is a deficient number, since it is larger than the sum of its proper divisors (9219202756154).

12211122111202 is a wasteful number, since it uses less digits than its factorization.

12211122111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720250402 (or 720250395 counting only the distinct ones).

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

Adding to 12211122111202 its sum of digits (19), we get a palindrome (12211122111221).

Adding to 12211122111202 its reverse (20211122111221), we get a palindrome (32422244222423).

The spelling of 12211122111202 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".