211211201 has 8 divisors (see below), whose sum is σ = 226523520. Its totient is φ = 196318512.

The previous prime is 211211191. The next prime is 211211243. The reversal of 211211201 is 102112112.

211211201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211211201 - 2¹⁰ = 211210177 is a prime.

It is a super-2 number, since 2×211211201² = 89220342855724802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103865 + ... + 105878.

It is an arithmetic number, because the mean of its divisors is an integer number (28315440).

Almost surely, 2^211211201 is an apocalyptic number.

It is an amenable number.

211211201 is a deficient number, since it is larger than the sum of its proper divisors (15312319).

211211201 is a wasteful number, since it uses less digits than its factorization.

211211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209815.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 211211201 is about 14533.1070662815. The cubic root of 211211201 is about 595.5327488433.

Adding to 211211201 its reverse (102112112), we get a palindrome (313323313).

It can be divided in two parts, 21121 and 1201, that added together give a palindrome (22322).

The spelling of 211211201 in words is "two hundred eleven million, two hundred eleven thousand, two hundred one".