200021201101 has 4 divisors (see below), whose sum is σ = 200733020604. Its totient is φ = 199309381600.

The previous prime is 200021201089. The next prime is 200021201143. The reversal of 200021201101 is 101102120002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 100092507876 + 99928693225 = 316374^2 + 316115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200021201101 is a prime.

It is a super-2 number, since 2×200021201101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021261101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355909330 + ... + 355909891.

It is an arithmetic number, because the mean of its divisors is an integer number (50183255151).

Almost surely, 2^200021201101 is an apocalyptic number.

It is an amenable number.

200021201101 is a deficient number, since it is larger than the sum of its proper divisors (711819503).

200021201101 is an equidigital number, since it uses as much as digits as its factorization.

200021201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711819502.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200021201101 its reverse (101102120002), we get a palindrome (301123321103).

The spelling of 200021201101 in words is "two hundred billion, twenty-one million, two hundred one thousand, one hundred one".