2003121102004 has 24 divisors (see below), whose sum is σ = 3917412003456. Its totient is φ = 888302040000.

The previous prime is 2003121102001. The next prime is 2003121102013. The reversal of 2003121102004 is 4002011213002.

It is a super-4 number, since 4×2003121102004⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003121102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555186972 + ... + 555190579.

It is an arithmetic number, because the mean of its divisors is an integer number (163225500144).

Almost surely, 2^{2003121102004} is an apocalyptic number.

It is an amenable number.

2003121102004 is a deficient number, since it is larger than the sum of its proper divisors (1914290901452).

2003121102004 is a wasteful number, since it uses less digits than its factorization.

2003121102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110377607 (or 1110377605 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2003121102004 its reverse (4002011213002), we get a palindrome (6005132315006).

The spelling of 2003121102004 in words is "two trillion, three billion, one hundred twenty-one million, one hundred two thousand, four".