211200021201 has 16 divisors (see below), whose sum is σ = 303274575296. Its totient is φ = 129963669696.

The previous prime is 211200021167. The next prime is 211200021209. The reversal of 211200021201 is 102120002112.

It is not a de Polignac number, because 211200021201 - 2¹⁰ = 211200020177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211200021209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922446 + ... + 1128408.

It is an arithmetic number, because the mean of its divisors is an integer number (18954660956).

Almost surely, 2^211200021201 is an apocalyptic number.

It is an amenable number.

211200021201 is a deficient number, since it is larger than the sum of its proper divisors (92074554095).

211200021201 is a wasteful number, since it uses less digits than its factorization.

211200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232272.

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

Adding to 211200021201 its reverse (102120002112), we get a palindrome (313320023313).

The spelling of 211200021201 in words is "two hundred eleven billion, two hundred million, twenty-one thousand, two hundred one".