2003112201321 has 48 divisors (see below), whose sum is σ = 3620083384320. Its totient is φ = 1036900712160.

The previous prime is 2003112201317. The next prime is 2003112201323. The reversal of 2003112201321 is 1231022113002.

2003112201321 is a `hidden beast` number, since 2 + 0 + 0 + 311 + 220 + 132 + 1 = 666.

It is not a de Polignac number, because 2003112201321 - 2² = 2003112201317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003112201294 and 2003112201303.

It is not an unprimeable number, because it can be changed into a prime (2003112201323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4910761 + ... + 5302998.

It is an arithmetic number, because the mean of its divisors is an integer number (75418403840).

Almost surely, 2^{2003112201321} is an apocalyptic number.

2003112201321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2003112201321 is a deficient number, since it is larger than the sum of its proper divisors (1616971182999).

2003112201321 is a wasteful number, since it uses less digits than its factorization.

2003112201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214066 (or 10214063 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2003112201321 its reverse (1231022113002), we get a palindrome (3234134314323).

The spelling of 2003112201321 in words is "two trillion, three billion, one hundred twelve million, two hundred one thousand, three hundred twenty-one".