202020221110201 has 12 divisors (see below), whose sum is σ = 218792721208572. Its totient is φ = 186448580288256.

The previous prime is 202020221110181. The next prime is 202020221110217. The reversal of 202020221110201 is 102011122020202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35660914248976 + 166359306861225 = 5971676^2 + 12898035^2 .

It is a de Polignac number, because none of the positive numbers 2^k-202020221110201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020221110241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100358836 + ... + 102352021.

It is an arithmetic number, because the mean of its divisors is an integer number (18232726767381).

Almost surely, 2^{202020221110201} is an apocalyptic number.

It is an amenable number.

202020221110201 is a deficient number, since it is larger than the sum of its proper divisors (16772500098371).

202020221110201 is a wasteful number, since it uses less digits than its factorization.

202020221110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202716780 (or 202716767 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202020221110201 its reverse (102011122020202), we get a palindrome (304031343130403).

The spelling of 202020221110201 in words is "two hundred two trillion, twenty billion, two hundred twenty-one million, one hundred ten thousand, two hundred one".