201020021212211 has 8 divisors (see below), whose sum is σ = 201456690714048. Its totient is φ = 200583354384000.

The previous prime is 201020021212201. The next prime is 201020021212247. The reversal of 201020021212211 is 112212120020102.

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 201020021212211 - 2²⁶ = 201019954103347 is a prime.

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 201020021212211.

It is not an unprimeable number, because it can be changed into a prime (201020021212201) 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, 260615126 + ... + 261385316.

It is an arithmetic number, because the mean of its divisors is an integer number (25182086339256).

Almost surely, 2^{201020021212211} is an apocalyptic number.

201020021212211 is a deficient number, since it is larger than the sum of its proper divisors (436669501837).

201020021212211 is an equidigital number, since it uses as much as digits as its factorization.

201020021212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336813.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201020021212211 its reverse (112212120020102), we get a palindrome (313232141232313).

The spelling of 201020021212211 in words is "two hundred one trillion, twenty billion, twenty-one million, two hundred twelve thousand, two hundred eleven".