20212102010201 has 4 divisors (see below), whose sum is σ = 20212366362804. Its totient is φ = 20211837657600.

The previous prime is 20212102010131. The next prime is 20212102010213. The reversal of 20212102010201 is 10201020121202.

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 5954673648400 + 14257428361801 = 2440220^2 + 3775901^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212102010201 - 2²⁶ = 20212034901337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212102010701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132061580 + ... + 132214541.

It is an arithmetic number, because the mean of its divisors is an integer number (5053091590701).

Almost surely, 2^{20212102010201} is an apocalyptic number.

It is an amenable number.

20212102010201 is a deficient number, since it is larger than the sum of its proper divisors (264352603).

20212102010201 is an equidigital number, since it uses as much as digits as its factorization.

20212102010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264352602.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212102010201 its reverse (10201020121202), we get a palindrome (30413122131403).

The spelling of 20212102010201 in words is "twenty trillion, two hundred twelve billion, one hundred two million, ten thousand, two hundred one".