2212221201211 has 8 divisors (see below), whose sum is σ = 2535755037920. Its totient is φ = 1890562923648.

The previous prime is 2212221201187. The next prime is 2212221201263. The reversal of 2212221201211 is 1121021222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2212221201211 - 2⁷ = 2212221201083 is a prime.

It is a super-3 number, since 3×2212221201211³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212221201811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468887256 + ... + 468891973.

It is an arithmetic number, because the mean of its divisors is an integer number (316969379740).

Almost surely, 2^{2212221201211} is an apocalyptic number.

2212221201211 is a deficient number, since it is larger than the sum of its proper divisors (323533836709).

2212221201211 is an equidigital number, since it uses as much as digits as its factorization.

2212221201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937779573.

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

Adding to 2212221201211 its reverse (1121021222122), we get a palindrome (3333242423333).

The spelling of 2212221201211 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".