201020021212011 has 16 divisors (see below), whose sum is σ = 270238812708864. Its totient is φ = 132908082902784.

The previous prime is 201020021212007. The next prime is 201020021212051. The reversal of 201020021212011 is 110212120020102.

It is not a de Polignac number, because 201020021212011 - 2² = 201020021212007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020021212051) 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, 98274775 + ... + 100299408.

It is an arithmetic number, because the mean of its divisors is an integer number (16889925794304).

Almost surely, 2^{201020021212011} is an apocalyptic number.

201020021212011 is a deficient number, since it is larger than the sum of its proper divisors (69218791496853).

201020021212011 is a wasteful number, since it uses less digits than its factorization.

201020021212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198576970.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201020021212011 its reverse (110212120020102), we get a palindrome (311232141232113).

The spelling of 201020021212011 in words is "two hundred one trillion, twenty billion, twenty-one million, two hundred twelve thousand, eleven".