12220002222211 has 16 divisors (see below), whose sum is σ = 13972450987008. Its totient is φ = 10469238098400.

The previous prime is 12220002222161. The next prime is 12220002222269. The reversal of 12220002222211 is 11222220002221.

It is a cyclic number.

It is not a de Polignac number, because 12220002222211 - 2²¹ = 12220000125059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220002222811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149583906 + ... + 149665576.

It is an arithmetic number, because the mean of its divisors is an integer number (873278186688).

Almost surely, 2^{12220002222211} is an apocalyptic number.

12220002222211 is a deficient number, since it is larger than the sum of its proper divisors (1752448764797).

12220002222211 is an equidigital number, since it uses as much as digits as its factorization.

12220002222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91722.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220002222211 its reverse (11222220002221), we get a palindrome (23442222224432).

The spelling of 12220002222211 in words is "twelve trillion, two hundred twenty billion, two million, two hundred twenty-two thousand, two hundred eleven".