2003232201221 has 16 divisors (see below), whose sum is σ = 2147379292800. Its totient is φ = 1864104084480.

The previous prime is 2003232201121. The next prime is 2003232201227. The reversal of 2003232201221 is 1221022323002.

It is a happy number.

It is not a de Polignac number, because 2003232201221 - 2¹⁸ = 2003231939077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003232201193 and 2003232201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003232201227) 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, 2676071 + ... + 3341828.

It is an arithmetic number, because the mean of its divisors is an integer number (134211205800).

Almost surely, 2^{2003232201221} is an apocalyptic number.

It is an amenable number.

2003232201221 is a deficient number, since it is larger than the sum of its proper divisors (144147091579).

2003232201221 is a wasteful number, since it uses less digits than its factorization.

2003232201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018316.

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

Adding to 2003232201221 its reverse (1221022323002), we get a palindrome (3224254524223).

The spelling of 2003232201221 in words is "two trillion, three billion, two hundred thirty-two million, two hundred one thousand, two hundred twenty-one".