212101011110201 has 4 divisors (see below), whose sum is σ = 212179190623092. Its totient is φ = 212022831597312.

The previous prime is 212101011110173. The next prime is 212101011110207. The reversal of 212101011110201 is 102011110101212.

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 197978266725625 + 14122744384576 = 14070475^2 + 3758024^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101011110201 - 2³⁰ = 212099937368377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101011110207) 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, 39089752376 + ... + 39089757801.

It is an arithmetic number, because the mean of its divisors is an integer number (53044797655773).

Almost surely, 2^{212101011110201} is an apocalyptic number.

It is an amenable number.

212101011110201 is a deficient number, since it is larger than the sum of its proper divisors (78179512891).

212101011110201 is an equidigital number, since it uses as much as digits as its factorization.

212101011110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78179512890.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212101011110201 its reverse (102011110101212), we get a palindrome (314112121211413).

The spelling of 212101011110201 in words is "two hundred twelve trillion, one hundred one billion, eleven million, one hundred ten thousand, two hundred one".