21322604102315 has 32 divisors (see below), whose sum is σ = 26044433496000. Its totient is φ = 16755271372800.

The previous prime is 21322604102269. The next prime is 21322604102351. The reversal of 21322604102315 is 51320140622312.

It is not a de Polignac number, because 21322604102315 - 2²² = 21322599908011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90482261 + ... + 90717609.

It is an arithmetic number, because the mean of its divisors is an integer number (813888546750).

Almost surely, 2^{21322604102315} is an apocalyptic number.

21322604102315 is a deficient number, since it is larger than the sum of its proper divisors (4721829393685).

21322604102315 is a wasteful number, since it uses less digits than its factorization.

21322604102315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236447.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 21322604102315 its reverse (51320140622312), we get a palindrome (72642744724627).

The spelling of 21322604102315 in words is "twenty-one trillion, three hundred twenty-two billion, six hundred four million, one hundred two thousand, three hundred fifteen".