211120122210211 has 4 divisors (see below), whose sum is σ = 211120698603424. Its totient is φ = 211119545817000.

The previous prime is 211120122210203. The next prime is 211120122210227. The reversal of 211120122210211 is 112012221021112.

It is a happy number.

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 211120122210211 - 2³ = 211120122210203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120122210311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287646840 + ... + 288379861.

It is an arithmetic number, because the mean of its divisors is an integer number (52780174650856).

Almost surely, 2^{211120122210211} is an apocalyptic number.

211120122210211 is a deficient number, since it is larger than the sum of its proper divisors (576393213).

211120122210211 is an equidigital number, since it uses as much as digits as its factorization.

211120122210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576393212.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211120122210211 its reverse (112012221021112), we get a palindrome (323132343231323).

The spelling of 211120122210211 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred ten thousand, two hundred eleven".