222212221110211 has 8 divisors (see below), whose sum is σ = 226900430164944. Its totient is φ = 217568450056320.

The previous prime is 222212221110179. The next prime is 222212221110283. The reversal of 222212221110211 is 112011122212222.

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 222212221110211 - 2⁵ = 222212221110179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212221111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11109490105 + ... + 11109510106.

It is an arithmetic number, because the mean of its divisors is an integer number (28362553770618).

Almost surely, 2^{222212221110211} is an apocalyptic number.

222212221110211 is a deficient number, since it is larger than the sum of its proper divisors (4688209054733).

222212221110211 is a wasteful number, since it uses less digits than its factorization.

222212221110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22219000421.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222212221110211 its reverse (112011122212222), we get a palindrome (334223343322433).

The spelling of 222212221110211 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred eleven".