2121024201341 has 4 divisors (see below), whose sum is σ = 2121664417212. Its totient is φ = 2120383985472.

The previous prime is 2121024201271. The next prime is 2121024201353. The reversal of 2121024201341 is 1431024201212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 771140397316 + 1349883804025 = 878146^2 + 1161845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121024201341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121024201841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320102966 + ... + 320109591.

It is an arithmetic number, because the mean of its divisors is an integer number (530416104303).

Almost surely, 2^{2121024201341} is an apocalyptic number.

It is an amenable number.

2121024201341 is a deficient number, since it is larger than the sum of its proper divisors (640215871).

2121024201341 is an equidigital number, since it uses as much as digits as its factorization.

2121024201341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640215870.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2121024201341 its reverse (1431024201212), we get a palindrome (3552048402553).

The spelling of 2121024201341 in words is "two trillion, one hundred twenty-one billion, twenty-four million, two hundred one thousand, three hundred forty-one".