2321240021215 has 8 divisors (see below), whose sum is σ = 2786332388400. Its totient is φ = 1856429108352.

The previous prime is 2321240021207. The next prime is 2321240021239. The reversal of 2321240021215 is 5121200421232.

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 2321240021215 - 2³ = 2321240021207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2321240021215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70345434 + ... + 70378423.

It is an arithmetic number, because the mean of its divisors is an integer number (348291548550).

Almost surely, 2^{2321240021215} is an apocalyptic number.

2321240021215 is a deficient number, since it is larger than the sum of its proper divisors (465092367185).

2321240021215 is a wasteful number, since it uses less digits than its factorization.

2321240021215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140727161.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2321240021215 its reverse (5121200421232), we get a palindrome (7442440442447).

The spelling of 2321240021215 in words is "two trillion, three hundred twenty-one billion, two hundred forty million, twenty-one thousand, two hundred fifteen".