2103003011321 has 8 divisors (see below), whose sum is σ = 2105324964864. Its totient is φ = 2100681771840.

The previous prime is 2103003011309. The next prime is 2103003011363. The reversal of 2103003011321 is 1231103003012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103003011321 - 2⁶ = 2103003011257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103003011321.

It is not an unprimeable number, because it can be changed into a prime (2103003011371) 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, 5826116 + ... + 6176538.

It is an arithmetic number, because the mean of its divisors is an integer number (263165620608).

Almost surely, 2^{2103003011321} is an apocalyptic number.

It is an amenable number.

2103003011321 is a deficient number, since it is larger than the sum of its proper divisors (2321953543).

2103003011321 is a wasteful number, since it uses less digits than its factorization.

2103003011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357031.

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

Adding to 2103003011321 its reverse (1231103003012), we get a palindrome (3334106014333).

The spelling of 2103003011321 in words is "two trillion, one hundred three billion, three million, eleven thousand, three hundred twenty-one".