22202220111211 has 4 divisors (see below), whose sum is σ = 25373965841392. Its totient is φ = 19030474381032.

The previous prime is 22202220111199. The next prime is 22202220111251. The reversal of 22202220111211 is 11211102220222.

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

It is a cyclic number.

It is not a de Polignac number, because 22202220111211 - 2¹⁹ = 22202219586923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22202220111251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585872865080 + ... + 1585872865093.

It is an arithmetic number, because the mean of its divisors is an integer number (6343491460348).

Almost surely, 2^{22202220111211} is an apocalyptic number.

22202220111211 is a deficient number, since it is larger than the sum of its proper divisors (3171745730181).

22202220111211 is an equidigital number, since it uses as much as digits as its factorization.

22202220111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171745730180.

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

Adding to 22202220111211 its reverse (11211102220222), we get a palindrome (33413322331433).

The spelling of 22202220111211 in words is "twenty-two trillion, two hundred two billion, two hundred twenty million, one hundred eleven thousand, two hundred eleven".