4121224221215 has 8 divisors (see below), whose sum is σ = 4945506124608. Its totient is φ = 3296954670880.

The previous prime is 4121224221209. The next prime is 4121224221341. The reversal of 4121224221215 is 5121224221214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4121224221215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2337716 + ... + 3702345.

It is an arithmetic number, because the mean of its divisors is an integer number (618188265576).

Almost surely, 2^{4121224221215} is an apocalyptic number.

4121224221215 is a deficient number, since it is larger than the sum of its proper divisors (824281903393).

4121224221215 is a wasteful number, since it uses less digits than its factorization.

4121224221215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176529.

The product of its digits is 5120, while the sum is 29.

Adding to 4121224221215 its reverse (5121224221214), we get a palindrome (9242448442429).

Subtracting 4121224221215 from its reverse (5121224221214), we obtain a palindrome (999999999999).

The spelling of 4121224221215 in words is "four trillion, one hundred twenty-one billion, two hundred twenty-four million, two hundred twenty-one thousand, two hundred fifteen".