211210102111201 has 4 divisors (see below), whose sum is σ = 211210379556100. Its totient is φ = 211209824666304.

The previous prime is 211210102111181. The next prime is 211210102111213. The reversal of 211210102111201 is 102111201012112.

211210102111201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126636310758400 + 84573791352801 = 11253280^2 + 9196401^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210102111201 - 2¹⁵ = 211210102078433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211210102111301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137577396 + ... + 139104133.

It is an arithmetic number, because the mean of its divisors is an integer number (52802594889025).

Almost surely, 2^{211210102111201} is an apocalyptic number.

It is an amenable number.

211210102111201 is a deficient number, since it is larger than the sum of its proper divisors (277444899).

211210102111201 is an equidigital number, since it uses as much as digits as its factorization.

211210102111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277444898.

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

Adding to 211210102111201 its reverse (102111201012112), we get a palindrome (313321303123313).

The spelling of 211210102111201 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, one hundred eleven thousand, two hundred one".