211020102211 has 8 divisors (see below), whose sum is σ = 222884539920. Its totient is φ = 199231476192.

The previous prime is 211020102203. The next prime is 211020102257. The reversal of 211020102211 is 112201020112.

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

It is not a de Polignac number, because 211020102211 - 2³ = 211020102203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211020102191 and 211020102200.

It is not an unprimeable number, because it can be changed into a prime (211020102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18947200 + ... + 18958333.

It is an arithmetic number, because the mean of its divisors is an integer number (27860567490).

Almost surely, 2^211020102211 is an apocalyptic number.

211020102211 is a deficient number, since it is larger than the sum of its proper divisors (11864437709).

211020102211 is a wasteful number, since it uses less digits than its factorization.

211020102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37905845.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211020102211 its reverse (112201020112), we get a palindrome (323221122323).

The spelling of 211020102211 in words is "two hundred eleven billion, twenty million, one hundred two thousand, two hundred eleven".