12222002222211 has 4 divisors (see below), whose sum is σ = 16296002962952. Its totient is φ = 8148001481472.

The previous prime is 12222002222203. The next prime is 12222002222233. The reversal of 12222002222211 is 11222220022221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12222002222211 - 2³ = 12222002222203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222002222611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037000370366 + ... + 2037000370371.

It is an arithmetic number, because the mean of its divisors is an integer number (4074000740738).

Almost surely, 2^{12222002222211} is an apocalyptic number.

12222002222211 is a deficient number, since it is larger than the sum of its proper divisors (4074000740741).

12222002222211 is an equidigital number, since it uses as much as digits as its factorization.

12222002222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074000740740.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12222002222211 its reverse (11222220022221), we get a palindrome (23444222244432).

The spelling of 12222002222211 in words is "twelve trillion, two hundred twenty-two billion, two million, two hundred twenty-two thousand, two hundred eleven".