201020001201211 has 16 divisors (see below), whose sum is σ = 207547681701888. Its totient is φ = 194495023195200.

The previous prime is 201020001201203. The next prime is 201020001201241. The reversal of 201020001201211 is 112102100020102.

It is a cyclic number.

It is not a de Polignac number, because 201020001201211 - 2³ = 201020001201203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020001201191 and 201020001201200.

It is not an unprimeable number, because it can be changed into a prime (201020001201241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520646815 + ... + 3520703911.

It is an arithmetic number, because the mean of its divisors is an integer number (12971730106368).

Almost surely, 2^{201020001201211} is an apocalyptic number.

201020001201211 is a deficient number, since it is larger than the sum of its proper divisors (6527680500677).

201020001201211 is a wasteful number, since it uses less digits than its factorization.

201020001201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78762.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020001201211 its reverse (112102100020102), we get a palindrome (313122101221313).

The spelling of 201020001201211 in words is "two hundred one trillion, twenty billion, one million, two hundred one thousand, two hundred eleven".