211210221201 has 16 divisors (see below), whose sum is σ = 322516070400. Its totient is φ = 120439583568.

The previous prime is 211210221197. The next prime is 211210221241. The reversal of 211210221201 is 102122012112.

It is not a de Polignac number, because 211210221201 - 2² = 211210221197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211210221241) 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 15 ways as a sum of consecutive naturals, for example, 10488511 + ... + 10508628.

It is an arithmetic number, because the mean of its divisors is an integer number (20157254400).

Almost surely, 2^211210221201 is an apocalyptic number.

211210221201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211210221201 is a deficient number, since it is larger than the sum of its proper divisors (111305849199).

211210221201 is a wasteful number, since it uses less digits than its factorization.

211210221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20997628.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211210221201 its reverse (102122012112), we get a palindrome (313332233313).

The spelling of 211210221201 in words is "two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".