2003321300121 has 6 divisors (see below), whose sum is σ = 2893686322410. Its totient is φ = 1335547533408.

The previous prime is 2003321300119. The next prime is 2003321300137. The reversal of 2003321300121 is 1210031233002.

2003321300121 is a `hidden beast` number, since 20 + 0 + 3 + 321 + 300 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1051057594521 + 952263705600 = 1025211^2 + 975840^2 .

It is not a de Polignac number, because 2003321300121 - 2¹ = 2003321300119 is a prime.

It is a super-2 number, since 2×2003321300121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2003321300094 and 2003321300103.

It is not an unprimeable number, because it can be changed into a prime (2003321370121) 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 5 ways as a sum of consecutive naturals, for example, 111295627776 + ... + 111295627793.

It is an arithmetic number, because the mean of its divisors is an integer number (482281053735).

Almost surely, 2^{2003321300121} is an apocalyptic number.

It is an amenable number.

2003321300121 is a deficient number, since it is larger than the sum of its proper divisors (890365022289).

2003321300121 is a wasteful number, since it uses less digits than its factorization.

2003321300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222591255575 (or 222591255572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2003321300121 its reverse (1210031233002), we get a palindrome (3213352533123).

The spelling of 2003321300121 in words is "two trillion, three billion, three hundred twenty-one million, three hundred thousand, one hundred twenty-one".