222101221210211 has 8 divisors (see below), whose sum is σ = 253995760687104. Its totient is φ = 190248130130760.

The previous prime is 222101221210207. The next prime is 222101221210261. The reversal of 222101221210211 is 112012122101222.

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

It is a cyclic number.

It is not a de Polignac number, because 222101221210211 - 2² = 222101221210207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101221210261) 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 7 ways as a sum of consecutive naturals, for example, 10362087875 + ... + 10362109308.

It is an arithmetic number, because the mean of its divisors is an integer number (31749470085888).

Almost surely, 2^{222101221210211} is an apocalyptic number.

222101221210211 is a deficient number, since it is larger than the sum of its proper divisors (31894539476893).

222101221210211 is a wasteful number, since it uses less digits than its factorization.

222101221210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20724198721.

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

Adding to 222101221210211 its reverse (112012122101222), we get a palindrome (334113343311433).

The spelling of 222101221210211 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred ten thousand, two hundred eleven".