201020221201011 has 32 divisors (see below), whose sum is σ = 272202599831040. Its totient is φ = 131931249542400.

The previous prime is 201020221200991. The next prime is 201020221201013. The reversal of 201020221201011 is 110102122020102.

It is not a de Polignac number, because 201020221201011 - 2⁶ = 201020221200947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020221201013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3172986511 + ... + 3173049863.

It is an arithmetic number, because the mean of its divisors is an integer number (8506331244720).

Almost surely, 2^{201020221201011} is an apocalyptic number.

201020221201011 is a deficient number, since it is larger than the sum of its proper divisors (71182378630029).

201020221201011 is a wasteful number, since it uses less digits than its factorization.

201020221201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85147.

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

Adding to 201020221201011 its reverse (110102122020102), we get a palindrome (311122343221113).

The spelling of 201020221201011 in words is "two hundred one trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, eleven".