2122312115515 has 16 divisors (see below), whose sum is σ = 2659939865856. Its totient is φ = 1622541474400.

The previous prime is 2122312115479. The next prime is 2122312115531. The reversal of 2122312115515 is 5155112132212.

It is not a de Polignac number, because 2122312115515 - 2⁷ = 2122312115387 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8332321 + ... + 8583250.

It is an arithmetic number, because the mean of its divisors is an integer number (166246241616).

Almost surely, 2^{2122312115515} is an apocalyptic number.

2122312115515 is a deficient number, since it is larger than the sum of its proper divisors (537627750341).

2122312115515 is a wasteful number, since it uses less digits than its factorization.

2122312115515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16916690.

The product of its digits is 6000, while the sum is 31.

Adding to 2122312115515 its reverse (5155112132212), we get a palindrome (7277424247727).

The spelling of 2122312115515 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred fifteen thousand, five hundred fifteen".