211012102112201 has 4 divisors (see below), whose sum is σ = 227243802274692. Its totient is φ = 194780401949712.

The previous prime is 211012102112177. The next prime is 211012102112237. The reversal of 211012102112201 is 102211201210112.

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 10214671681600 + 200797430430601 = 3196040^2 + 14170301^2 .

It is a cyclic number.

It is not a de Polignac number, because 211012102112201 - 2⁶ = 211012102112137 is a prime.

It is a super-4 number, since 4×211012102112201⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211012102112201.

It is not an unprimeable number, because it can be changed into a prime (211012102112701) 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, 8115850081226 + ... + 8115850081251.

It is an arithmetic number, because the mean of its divisors is an integer number (56810950568673).

Almost surely, 2^{211012102112201} is an apocalyptic number.

It is an amenable number.

211012102112201 is a deficient number, since it is larger than the sum of its proper divisors (16231700162491).

211012102112201 is a wasteful number, since it uses less digits than its factorization.

211012102112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231700162490.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211012102112201 its reverse (102211201210112), we get a palindrome (313223303322313).

The spelling of 211012102112201 in words is "two hundred eleven trillion, twelve billion, one hundred two million, one hundred twelve thousand, two hundred one".