211214430241 has 8 divisors (see below), whose sum is σ = 213421717544. Its totient is φ = 209007751680.

The previous prime is 211214430157. The next prime is 211214430307. The reversal of 211214430241 is 142034412112.

It can be written as a sum of positive squares in 4 ways, for example, as 3952762641 + 207261667600 = 62871^2 + 455260^2 .

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 211214430241 - 2¹⁷ = 211214299169 is a prime.

It is a super-2 number, since 2×211214430241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211214430941) 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, 562831 + ... + 859771.

It is an arithmetic number, because the mean of its divisors is an integer number (26677714693).

Almost surely, 2^211214430241 is an apocalyptic number.

It is an amenable number.

211214430241 is a deficient number, since it is larger than the sum of its proper divisors (2207287303).

211214430241 is an equidigital number, since it uses as much as digits as its factorization.

211214430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304371.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211214430241 its reverse (142034412112), we get a palindrome (353248842353).

The spelling of 211214430241 in words is "two hundred eleven billion, two hundred fourteen million, four hundred thirty thousand, two hundred forty-one".