2003101121013 has 4 divisors (see below), whose sum is σ = 2670801494688. Its totient is φ = 1335400747340.

The previous prime is 2003101121003. The next prime is 2003101121027. The reversal of 2003101121013 is 3101211013002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003101121013 - 2⁵ = 2003101120981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003101120983 and 2003101121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003101121003) 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, 333850186833 + ... + 333850186838.

It is an arithmetic number, because the mean of its divisors is an integer number (667700373672).

Almost surely, 2^{2003101121013} is an apocalyptic number.

It is an amenable number.

2003101121013 is a deficient number, since it is larger than the sum of its proper divisors (667700373675).

2003101121013 is an equidigital number, since it uses as much as digits as its factorization.

2003101121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667700373674.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2003101121013 its reverse (3101211013002), we get a palindrome (5104312134015).

The spelling of 2003101121013 in words is "two trillion, three billion, one hundred one million, one hundred twenty-one thousand, thirteen".