210001201211 has 4 divisors (see below), whose sum is σ = 211161429024. Its totient is φ = 208840973400.

The previous prime is 210001201147. The next prime is 210001201237. The reversal of 210001201211 is 112102100012.

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 210001201211 - 2⁶ = 210001201147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210001201192 and 210001201201.

It is not an unprimeable number, because it can be changed into a prime (210001201261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580113635 + ... + 580113996.

It is an arithmetic number, because the mean of its divisors is an integer number (52790357256).

Almost surely, 2^210001201211 is an apocalyptic number.

210001201211 is a deficient number, since it is larger than the sum of its proper divisors (1160227813).

210001201211 is a wasteful number, since it uses less digits than its factorization.

210001201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160227812.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210001201211 its reverse (112102100012), we get a palindrome (322103301223).

The spelling of 210001201211 in words is "two hundred ten billion, one million, two hundred one thousand, two hundred eleven".