201020102201011 has 4 divisors (see below), whose sum is σ = 203564660456800. Its totient is φ = 198475543945224.

The previous prime is 201020102200997. The next prime is 201020102201063. The reversal of 201020102201011 is 110102201020102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201020102201011 - 2²³ = 201020093812403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020102200982 and 201020102201000.

It is not an unprimeable number, because it can be changed into a prime (201020102501011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272279127776 + ... + 1272279127933.

It is an arithmetic number, because the mean of its divisors is an integer number (50891165114200).

Almost surely, 2^{201020102201011} is an apocalyptic number.

201020102201011 is a deficient number, since it is larger than the sum of its proper divisors (2544558255789).

201020102201011 is an equidigital number, since it uses as much as digits as its factorization.

201020102201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544558255788.

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

Adding to 201020102201011 its reverse (110102201020102), we get a palindrome (311122303221113).

The spelling of 201020102201011 in words is "two hundred one trillion, twenty billion, one hundred two million, two hundred one thousand, eleven".