210011020221211 has 6 divisors (see below), whose sum is σ = 230838559416836. Its totient is φ = 190919109291900.

The previous prime is 210011020221181. The next prime is 210011020221227. The reversal of 210011020221211 is 112122020110012.

It is not a de Polignac number, because 210011020221211 - 2⁵ = 210011020221179 is a prime.

It is a super-2 number, since 2×210011020221211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011020221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867814133025 + ... + 867814133266.

Almost surely, 2^{210011020221211} is an apocalyptic number.

210011020221211 is a deficient number, since it is larger than the sum of its proper divisors (20827539195625).

210011020221211 is a wasteful number, since it uses less digits than its factorization.

210011020221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735628266313 (or 1735628266302 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210011020221211 its reverse (112122020110012), we get a palindrome (322133040331223).

The spelling of 210011020221211 in words is "two hundred ten trillion, eleven billion, twenty million, two hundred twenty-one thousand, two hundred eleven".