22121210315 has 8 divisors (see below), whose sum is σ = 27192902688. Its totient is φ = 17265334720.

The previous prime is 22121210261. The next prime is 22121210327. The reversal of 22121210315 is 51301212122.

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

It is not a de Polignac number, because 22121210315 - 2¹⁰ = 22121209291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53953967 + ... + 53954376.

It is an arithmetic number, because the mean of its divisors is an integer number (3399112836).

Almost surely, 2^22121210315 is an apocalyptic number.

22121210315 is a deficient number, since it is larger than the sum of its proper divisors (5071692373).

22121210315 is a wasteful number, since it uses less digits than its factorization.

22121210315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107908389.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22121210315 its reverse (51301212122), we get a palindrome (73422422437).

The spelling of 22121210315 in words is "twenty-two billion, one hundred twenty-one million, two hundred ten thousand, three hundred fifteen".