211022100211 has 8 divisors (see below), whose sum is σ = 227602594800. Its totient is φ = 194491323552.

The previous prime is 211022100209. The next prime is 211022100221. The reversal of 211022100211 is 112001220112.

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 211022100211 - 2¹ = 211022100209 is a prime.

It is a super-2 number, since 2×211022100211² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211022100191 and 211022100200.

It is not an unprimeable number, because it can be changed into a prime (211022100221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12420661 + ... + 12437638.

It is an arithmetic number, because the mean of its divisors is an integer number (28450324350).

Almost surely, 2^211022100211 is an apocalyptic number.

211022100211 is a deficient number, since it is larger than the sum of its proper divisors (16580494589).

211022100211 is a wasteful number, since it uses less digits than its factorization.

211022100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24858965.

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

Adding to 211022100211 its reverse (112001220112), we get a palindrome (323023320323).

The spelling of 211022100211 in words is "two hundred eleven billion, twenty-two million, one hundred thousand, two hundred eleven".