2002021200221 has 4 divisors (see below), whose sum is σ = 2288024228832. Its totient is φ = 1716018171612.

The previous prime is 2002021200217. The next prime is 2002021200233. The reversal of 2002021200221 is 1220021202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002021200221 - 2² = 2002021200217 is a prime.

It is a super-3 number, since 3×2002021200221³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2002021200196 and 2002021200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002021200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143001514295 + ... + 143001514308.

It is an arithmetic number, because the mean of its divisors is an integer number (572006057208).

Almost surely, 2^{2002021200221} is an apocalyptic number.

It is an amenable number.

2002021200221 is a deficient number, since it is larger than the sum of its proper divisors (286003028611).

2002021200221 is an equidigital number, since it uses as much as digits as its factorization.

2002021200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286003028610.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002021200221 its reverse (1220021202002), we get a palindrome (3222042402223).

The spelling of 2002021200221 in words is "two trillion, two billion, twenty-one million, two hundred thousand, two hundred twenty-one".