2003222031221 has 8 divisors (see below), whose sum is σ = 2011707461760. Its totient is φ = 1994737465728.

The previous prime is 2003222031137. The next prime is 2003222031269. The reversal of 2003222031221 is 1221302223002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003222031221 - 2¹⁰ = 2003222030197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003222031193 and 2003222031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003222031271) 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 7 ways as a sum of consecutive naturals, for example, 4656965 + ... + 5068901.

It is an arithmetic number, because the mean of its divisors is an integer number (251463432720).

Almost surely, 2^{2003222031221} is an apocalyptic number.

It is an amenable number.

2003222031221 is a deficient number, since it is larger than the sum of its proper divisors (8485430539).

2003222031221 is a wasteful number, since it uses less digits than its factorization.

2003222031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432523.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2003222031221 its reverse (1221302223002), we get a palindrome (3224524254223).

The spelling of 2003222031221 in words is "two trillion, three billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty-one".