2100103103321 has 8 divisors (see below), whose sum is σ = 2156930025024. Its totient is φ = 2043279727920.

The previous prime is 2100103103303. The next prime is 2100103103383. The reversal of 2100103103321 is 1233013010012.

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 2100103103321 - 2¹⁰ = 2100103102297 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 2100103103321.

It is not an unprimeable number, because it can be changed into a prime (2100103103821) 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, 336356 + ... + 2076858.

It is an arithmetic number, because the mean of its divisors is an integer number (269616253128).

Almost surely, 2^{2100103103321} is an apocalyptic number.

It is an amenable number.

2100103103321 is a deficient number, since it is larger than the sum of its proper divisors (56826921703).

2100103103321 is a wasteful number, since it uses less digits than its factorization.

2100103103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773151.

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

Adding to 2100103103321 its reverse (1233013010012), we get a palindrome (3333116113333).

The spelling of 2100103103321 in words is "two trillion, one hundred billion, one hundred three million, one hundred three thousand, three hundred twenty-one".