222101222101211 has 4 divisors (see below), whose sum is σ = 222101303662392. Its totient is φ = 222101140540032.

The previous prime is 222101222101193. The next prime is 222101222101223. The reversal of 222101222101211 is 112101222101222.

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 222101222101211 - 2¹⁴ = 222101222084827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101222101111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36549581 + ... + 42190926.

It is an arithmetic number, because the mean of its divisors is an integer number (55525325915598).

Almost surely, 2^{222101222101211} is an apocalyptic number.

222101222101211 is a deficient number, since it is larger than the sum of its proper divisors (81561181).

222101222101211 is an equidigital number, since it uses as much as digits as its factorization.

222101222101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81561180.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222101222101211 its reverse (112101222101222), we get a palindrome (334202444202433).

The spelling of 222101222101211 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".