22222200001211 has 12 divisors (see below), whose sum is σ = 25890268441968. Its totient is φ = 19018160097552.

The previous prime is 22222200001159. The next prime is 22222200001213. The reversal of 22222200001211 is 11210000222222.

It is a happy number.

It is not a de Polignac number, because 22222200001211 - 2³⁴ = 22205020132027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222200001211.

It is not an unprimeable number, because it can be changed into a prime (22222200001213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350443016 + ... + 350506421.

It is an arithmetic number, because the mean of its divisors is an integer number (2157522370164).

Almost surely, 2^{22222200001211} is an apocalyptic number.

22222200001211 is a deficient number, since it is larger than the sum of its proper divisors (3668068440757).

22222200001211 is an equidigital number, since it uses as much as digits as its factorization.

22222200001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700950098 (or 700950091 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222200001211 its reverse (11210000222222), we get a palindrome (33432200223433).

The spelling of 22222200001211 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred million, one thousand, two hundred eleven".