2000121003103 has 4 divisors (see below), whose sum is σ = 2000681107768. Its totient is φ = 1999560898440.

The previous prime is 2000121003079. The next prime is 2000121003143. The reversal of 2000121003103 is 3013001210002.

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 2000121003103 - 2²¹ = 2000118905951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000121003143) 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, 280046976 + ... + 280054117.

It is an arithmetic number, because the mean of its divisors is an integer number (500170276942).

Almost surely, 2^{2000121003103} is an apocalyptic number.

2000121003103 is a deficient number, since it is larger than the sum of its proper divisors (560104665).

2000121003103 is an equidigital number, since it uses as much as digits as its factorization.

2000121003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560104664.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 2000121003103 its reverse (3013001210002), we get a palindrome (5013122213105).

The spelling of 2000121003103 in words is "two trillion, one hundred twenty-one million, three thousand, one hundred three".