2103102304421 has 16 divisors (see below), whose sum is σ = 2199186080640. Its totient is φ = 2007409367040.

The previous prime is 2103102304399. The next prime is 2103102304439. The reversal of 2103102304421 is 1244032013012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103102304421 is a prime.

It is a super-2 number, since 2×2103102304421² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103102304021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25018541 + ... + 25102461.

It is an arithmetic number, because the mean of its divisors is an integer number (137449130040).

Almost surely, 2^{2103102304421} is an apocalyptic number.

It is an amenable number.

2103102304421 is a deficient number, since it is larger than the sum of its proper divisors (96083776219).

2103102304421 is a wasteful number, since it uses less digits than its factorization.

2103102304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86236.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2103102304421 its reverse (1244032013012), we get a palindrome (3347134317433).

The spelling of 2103102304421 in words is "two trillion, one hundred three billion, one hundred two million, three hundred four thousand, four hundred twenty-one".