2121526171241 has 8 divisors (see below), whose sum is σ = 2157510111840. Its totient is φ = 2085543093088.

The previous prime is 2121526171223. The next prime is 2121526171243. The reversal of 2121526171241 is 1421716251212.

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 2121526171241 - 2²⁶ = 2121459062377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2121526171243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509525 + ... + 6827661.

It is an arithmetic number, because the mean of its divisors is an integer number (269688763980).

Almost surely, 2^{2121526171241} is an apocalyptic number.

It is an amenable number.

2121526171241 is a deficient number, since it is larger than the sum of its proper divisors (35983940599).

2121526171241 is a wasteful number, since it uses less digits than its factorization.

2121526171241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431223.

The product of its digits is 13440, while the sum is 35.

The spelling of 2121526171241 in words is "two trillion, one hundred twenty-one billion, five hundred twenty-six million, one hundred seventy-one thousand, two hundred forty-one".