211020222112211 has 8 divisors (see below), whose sum is σ = 212958629782800. Its totient is φ = 209081858847840.

The previous prime is 211020222112207. The next prime is 211020222112213. The reversal of 211020222112211 is 112211222020112.

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 211020222112211 - 2² = 211020222112207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020222112213) 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, 1515980 + ... + 20599481.

It is an arithmetic number, because the mean of its divisors is an integer number (26619828722850).

Almost surely, 2^{211020222112211} is an apocalyptic number.

211020222112211 is a deficient number, since it is larger than the sum of its proper divisors (1938407670589).

211020222112211 is a wasteful number, since it uses less digits than its factorization.

211020222112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22203109.

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

Adding to 211020222112211 its reverse (112211222020112), we get a palindrome (323231444132323).

The spelling of 211020222112211 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".