211002201211 has 4 divisors (see below), whose sum is σ = 211747792312. Its totient is φ = 210256610112.

The previous prime is 211002201197. The next prime is 211002201257. The reversal of 211002201211 is 112102200112.

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 211002201211 - 2²⁷ = 210867983483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002201191 and 211002201200.

It is not an unprimeable number, because it can be changed into a prime (211002201271) 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 3 ways as a sum of consecutive naturals, for example, 372795126 + ... + 372795691.

It is an arithmetic number, because the mean of its divisors is an integer number (52936948078).

Almost surely, 2^211002201211 is an apocalyptic number.

211002201211 is a deficient number, since it is larger than the sum of its proper divisors (745591101).

211002201211 is an equidigital number, since it uses as much as digits as its factorization.

211002201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745591100.

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

Adding to 211002201211 its reverse (112102200112), we get a palindrome (323104401323).

The spelling of 211002201211 in words is "two hundred eleven billion, two million, two hundred one thousand, two hundred eleven".