2003121033011 has 32 divisors (see below), whose sum is σ = 2320844400000. Its totient is φ = 1693392003072.

The previous prime is 2003121033007. The next prime is 2003121033047. The reversal of 2003121033011 is 1103301213002.

It is not a de Polignac number, because 2003121033011 - 2² = 2003121033007 is a prime.

It is a super-2 number, since 2×2003121033011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003121033071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494717915 + ... + 494721963.

It is an arithmetic number, because the mean of its divisors is an integer number (72526387500).

Almost surely, 2^{2003121033011} is an apocalyptic number.

2003121033011 is a deficient number, since it is larger than the sum of its proper divisors (317723366989).

2003121033011 is a wasteful number, since it uses less digits than its factorization.

2003121033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2003121033011 its reverse (1103301213002), we get a palindrome (3106422246013).

The spelling of 2003121033011 in words is "two trillion, three billion, one hundred twenty-one million, thirty-three thousand, eleven".