2002031003221 has 16 divisors (see below), whose sum is σ = 2145844800000. Its totient is φ = 1862962789248.

The previous prime is 2002031003209. The next prime is 2002031003227. The reversal of 2002031003221 is 1223001302002.

It is a cyclic number.

It is not a de Polignac number, because 2002031003221 - 2³⁹ = 1452275189333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002031003195 and 2002031003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002031003227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5901780 + ... + 6231778.

It is an arithmetic number, because the mean of its divisors is an integer number (134115300000).

Almost surely, 2^{2002031003221} is an apocalyptic number.

It is an amenable number.

2002031003221 is a deficient number, since it is larger than the sum of its proper divisors (143813796779).

2002031003221 is a wasteful number, since it uses less digits than its factorization.

2002031003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337188.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2002031003221 its reverse (1223001302002), we get a palindrome (3225032305223).

The spelling of 2002031003221 in words is "two trillion, two billion, thirty-one million, three thousand, two hundred twenty-one".