2103133421043 has 16 divisors (see below), whose sum is σ = 3115978588800. Its totient is φ = 1401987529800.

The previous prime is 2103133421027. The next prime is 2103133421057. The reversal of 2103133421043 is 3401243313012.

It is a happy number.

2103133421043 is a `hidden beast` number, since 2 + 1 + 0 + 313 + 342 + 1 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 2103133421043 - 2⁴ = 2103133421027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2103133420998 and 2103133421016.

It is not an unprimeable number, because it can be changed into a prime (2103133421023) 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, 2436033 + ... + 3184418.

It is an arithmetic number, because the mean of its divisors is an integer number (194748661800).

Almost surely, 2^{2103133421043} is an apocalyptic number.

2103133421043 is a deficient number, since it is larger than the sum of its proper divisors (1012845167757).

2103133421043 is a wasteful number, since it uses less digits than its factorization.

2103133421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634319 (or 5634313 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2103133421043 its reverse (3401243313012), we get a palindrome (5504376734055).

The spelling of 2103133421043 in words is "two trillion, one hundred three billion, one hundred thirty-three million, four hundred twenty-one thousand, forty-three".