2102341133421 has 16 divisors (see below), whose sum is σ = 3198757281600. Its totient is φ = 1363680734544.

The previous prime is 2102341133377. The next prime is 2102341133423. The reversal of 2102341133421 is 1243311432012.

2102341133421 is a `hidden beast` number, since 2 + 1 + 0 + 234 + 1 + 1 + 3 + 3 + 421 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2102341133421 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102341133423) 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, 1052221791 + ... + 1052223788.

It is an arithmetic number, because the mean of its divisors is an integer number (199922330100).

Almost surely, 2^{2102341133421} is an apocalyptic number.

It is an amenable number.

2102341133421 is a deficient number, since it is larger than the sum of its proper divisors (1096416148179).

2102341133421 is a wasteful number, since it uses less digits than its factorization.

2102341133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104445625 (or 2104445619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2102341133421 its reverse (1243311432012), we get a palindrome (3345652565433).

The spelling of 2102341133421 in words is "two trillion, one hundred two billion, three hundred forty-one million, one hundred thirty-three thousand, four hundred twenty-one".