2003221203112 has 32 divisors (see below), whose sum is σ = 3808269052200. Its totient is φ = 987688387584.

The previous prime is 2003221203107. The next prime is 2003221203121. The reversal of 2003221203112 is 2113021223002.

It can be written as a sum of positive squares in 4 ways, for example, as 2000793276036 + 2427927076 = 1414494^2 + 49274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2003221203112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535814 + ... + 3230602.

Almost surely, 2^{2003221203112} is an apocalyptic number.

It is an amenable number.

2003221203112 is a deficient number, since it is larger than the sum of its proper divisors (1805047849088).

2003221203112 is a wasteful number, since it uses less digits than its factorization.

2003221203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699805 (or 699801 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2003221203112 its reverse (2113021223002), we get a palindrome (4116242426114).

The spelling of 2003221203112 in words is "two trillion, three billion, two hundred twenty-one million, two hundred three thousand, one hundred twelve".