2003000121311 has 8 divisors (see below), whose sum is σ = 2289586068480. Its totient is φ = 1716524942328.

The previous prime is 2003000121301. The next prime is 2003000121337. The reversal of 2003000121311 is 1131210003002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2003000121311 - 2¹⁰ = 2003000120287 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 (2003000121301) 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, 27653291 + ... + 27725628.

It is an arithmetic number, because the mean of its divisors is an integer number (286198258560).

Almost surely, 2^{2003000121311} is an apocalyptic number.

2003000121311 is a deficient number, since it is larger than the sum of its proper divisors (286585947169).

2003000121311 is an equidigital number, since it uses as much as digits as its factorization.

2003000121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55384093.

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

Adding to 2003000121311 its reverse (1131210003002), we get a palindrome (3134210124313).

The spelling of 2003000121311 in words is "two trillion, three billion, one hundred twenty-one thousand, three hundred eleven".