2000202002221 has 4 divisors (see below), whose sum is σ = 2000244696444. Its totient is φ = 2000159308000.

The previous prime is 2000202002213. The next prime is 2000202002231. The reversal of 2000202002221 is 1222002020002.

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 1641317137321 + 358884864900 = 1281139^2 + 599070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000202002221 - 2³ = 2000202002213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000202002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21276760 + ... + 21370561.

It is an arithmetic number, because the mean of its divisors is an integer number (500061174111).

Almost surely, 2^{2000202002221} is an apocalyptic number.

It is an amenable number.

2000202002221 is a deficient number, since it is larger than the sum of its proper divisors (42694223).

2000202002221 is an equidigital number, since it uses as much as digits as its factorization.

2000202002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42694222.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2000202002221 its reverse (1222002020002), we get a palindrome (3222204022223).

The spelling of 2000202002221 in words is "two trillion, two hundred two million, two thousand, two hundred twenty-one".