2003012103011 has 4 divisors (see below), whose sum is σ = 2003019636024. Its totient is φ = 2003004570000.

The previous prime is 2003012102981. The next prime is 2003012103049. The reversal of 2003012103011 is 1103012103002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003012103011 - 2⁶ = 2003012102947 is a prime.

It is a super-2 number, since 2×2003012103011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003012103311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352490 + ... + 3904511.

It is an arithmetic number, because the mean of its divisors is an integer number (500754909006).

Almost surely, 2^{2003012103011} is an apocalyptic number.

2003012103011 is a deficient number, since it is larger than the sum of its proper divisors (7533013).

2003012103011 is an equidigital number, since it uses as much as digits as its factorization.

2003012103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533012.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2003012103011 its reverse (1103012103002), we get a palindrome (3106024206013).

Subtracting from 2003012103011 its reverse (1103012103002), we obtain a palindrome (900000000009).

The spelling of 2003012103011 in words is "two trillion, three billion, twelve million, one hundred three thousand, eleven".