211210221001201 has 8 divisors (see below), whose sum is σ = 211324482405864. Its totient is φ = 211095985290240.

The previous prime is 211210221001133. The next prime is 211210221001211. The reversal of 211210221001201 is 102100122012112.

It can be written as a sum of positive squares in 4 ways, for example, as 193405205280400 + 17805015720801 = 13907020^2 + 4219599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211210221001201 - 2⁴⁷ = 70472732645873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211210221001211) 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 7 ways as a sum of consecutive naturals, for example, 10033041 + ... + 22870993.

It is an arithmetic number, because the mean of its divisors is an integer number (26415560300733).

Almost surely, 2^{211210221001201} is an apocalyptic number.

It is an amenable number.

211210221001201 is a deficient number, since it is larger than the sum of its proper divisors (114261404663).

211210221001201 is a wasteful number, since it uses less digits than its factorization.

211210221001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846851.

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

Adding to 211210221001201 its reverse (102100122012112), we get a palindrome (313310343013313).

The spelling of 211210221001201 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty-one million, one thousand, two hundred one".