202020201101011 has 4 divisors (see below), whose sum is σ = 202020925780800. Its totient is φ = 202019476421224.

The previous prime is 202020201100889. The next prime is 202020201101057. The reversal of 202020201101011 is 110101102020202.

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 202020201101011 - 2²⁹ = 202019664230099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202020201100982 and 202020201101000.

It is not an unprimeable number, because it can be changed into a prime (202020201101611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361921576 + ... + 362479333.

It is an arithmetic number, because the mean of its divisors is an integer number (50505231445200).

Almost surely, 2^{202020201101011} is an apocalyptic number.

202020201101011 is a deficient number, since it is larger than the sum of its proper divisors (724679789).

202020201101011 is an equidigital number, since it uses as much as digits as its factorization.

202020201101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724679788.

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

Adding to 202020201101011 its reverse (110101102020202), we get a palindrome (312121303121213).

The spelling of 202020201101011 in words is "two hundred two trillion, twenty billion, two hundred one million, one hundred one thousand, eleven".