2222212120211 has 4 divisors (see below), whose sum is σ = 2222724273000. Its totient is φ = 2221699967424.

The previous prime is 2222212120207. The next prime is 2222212120223. The reversal of 2222212120211 is 1120212122222.

2222212120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2222212120211 - 2² = 2222212120207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222212120231) 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, 256069886 + ... + 256078563.

It is an arithmetic number, because the mean of its divisors is an integer number (555681068250).

Almost surely, 2^{2222212120211} is an apocalyptic number.

2222212120211 is a deficient number, since it is larger than the sum of its proper divisors (512152789).

2222212120211 is an equidigital number, since it uses as much as digits as its factorization.

2222212120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512152788.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2222212120211 its reverse (1120212122222), we get a palindrome (3342424242433).

It can be divided in two parts, 222221 and 2120211, that added together give a palindrome (2342432).

The spelling of 2222212120211 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred eleven".