1222200000211 has 4 divisors (see below), whose sum is σ = 1222260426712. Its totient is φ = 1222139573712.

The previous prime is 1222200000193. The next prime is 1222200000227. The reversal of 1222200000211 is 1120000022221.

It is a happy number.

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 1222200000211 - 2¹⁷ = 1222199869139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222200000191 and 1222200000200.

It is not an unprimeable number, because it can be changed into a prime (1222200040211) 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, 30182901 + ... + 30223366.

It is an arithmetic number, because the mean of its divisors is an integer number (305565106678).

Almost surely, 2^{1222200000211} is an apocalyptic number.

1222200000211 is a deficient number, since it is larger than the sum of its proper divisors (60426501).

1222200000211 is an equidigital number, since it uses as much as digits as its factorization.

1222200000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60426500.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222200000211 its reverse (1120000022221), we get a palindrome (2342200022432).

The spelling of 1222200000211 in words is "one trillion, two hundred twenty-two billion, two hundred million, two hundred eleven", and thus it is an aban number.