2002033013221 has 4 divisors (see below), whose sum is σ = 2002048001100. Its totient is φ = 2002018025344.

The previous prime is 2002033013219. The next prime is 2002033013243. The reversal of 2002033013221 is 1223103302002.

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 1777248928225 + 224784084996 = 1333135^2 + 474114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002033013221 - 2¹ = 2002033013219 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 (2002033010221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7291756 + ... + 7561333.

It is an arithmetic number, because the mean of its divisors is an integer number (500512000275).

Almost surely, 2^{2002033013221} is an apocalyptic number.

It is an amenable number.

2002033013221 is a deficient number, since it is larger than the sum of its proper divisors (14987879).

2002033013221 is a wasteful number, since it uses less digits than its factorization.

2002033013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987878.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2002033013221 its reverse (1223103302002), we get a palindrome (3225136315223).

The spelling of 2002033013221 in words is "two trillion, two billion, thirty-three million, thirteen thousand, two hundred twenty-one".