2115321322 has 8 divisors (see below), whose sum is σ = 3359628036. Its totient is φ = 995445312.

The previous prime is 2115321311. The next prime is 2115321337. The reversal of 2115321322 is 2231235112.

It can be written as a sum of positive squares in 2 ways, for example, as 2016099801 + 99221521 = 44901^2 + 9961^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2115321293 and 2115321302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31107633 + ... + 31107700.

Almost surely, 2^2115321322 is an apocalyptic number.

2115321322 is a deficient number, since it is larger than the sum of its proper divisors (1244306714).

2115321322 is a wasteful number, since it uses less digits than its factorization.

2115321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62215352.

The product of its digits is 720, while the sum is 22.

The square root of 2115321322 is about 45992.6224736098. The cubic root of 2115321322 is about 1283.6859336896.

Adding to 2115321322 its reverse (2231235112), we get a palindrome (4346556434).

The spelling of 2115321322 in words is "two billion, one hundred fifteen million, three hundred twenty-one thousand, three hundred twenty-two".