210020201211 has 12 divisors (see below), whose sum is σ = 297468060152. Its totient is φ = 131777380608.

The previous prime is 210020201191. The next prime is 210020201267. The reversal of 210020201211 is 112102020012.

It is not a de Polignac number, because 210020201211 - 2⁵ = 210020201179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020202211) 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 11 ways as a sum of consecutive naturals, for example, 121118050 + ... + 121119783.

Almost surely, 2^210020201211 is an apocalyptic number.

210020201211 is a deficient number, since it is larger than the sum of its proper divisors (87447858941).

210020201211 is a wasteful number, since it uses less digits than its factorization.

210020201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242237870 (or 242237853 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210020201211 its reverse (112102020012), we get a palindrome (322122221223).

The spelling of 210020201211 in words is "two hundred ten billion, twenty million, two hundred one thousand, two hundred eleven".