2003033023121 has 12 divisors (see below), whose sum is σ = 2169591712128. Its totient is φ = 1848419103024.

The previous prime is 2003033023111. The next prime is 2003033023169. The reversal of 2003033023121 is 1213203303002.

It is not a de Polignac number, because 2003033023121 - 2¹⁸ = 2003032760977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003033023093 and 2003033023102.

It is not an unprimeable number, because it can be changed into a prime (2003033023111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126025 + ... + 2296518.

It is an arithmetic number, because the mean of its divisors is an integer number (180799309344).

Almost surely, 2^{2003033023121} is an apocalyptic number.

It is an amenable number.

2003033023121 is a deficient number, since it is larger than the sum of its proper divisors (166558689007).

2003033023121 is a wasteful number, since it uses less digits than its factorization.

2003033023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426032 (or 3426019 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2003033023121 its reverse (1213203303002), we get a palindrome (3216236326123).

The spelling of 2003033023121 in words is "two trillion, three billion, thirty-three million, twenty-three thousand, one hundred twenty-one".