2011321115 has 16 divisors (see below), whose sum is σ = 2463631200. Its totient is φ = 1575804672.

The previous prime is 2011321049. The next prime is 2011321121. The reversal of 2011321115 is 5111231102.

It is a cyclic number.

It is not a de Polignac number, because 2011321115 - 2¹⁶ = 2011255579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011321093 and 2011321102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144116 + ... + 157454.

It is an arithmetic number, because the mean of its divisors is an integer number (153976950).

Almost surely, 2^2011321115 is an apocalyptic number.

2011321115 is a deficient number, since it is larger than the sum of its proper divisors (452310085).

2011321115 is a wasteful number, since it uses less digits than its factorization.

2011321115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 2011321115 is about 44847.7548490446. The cubic root of 2011321115 is about 1262.2938635442.

Adding to 2011321115 its reverse (5111231102), we get a palindrome (7122552217).

The spelling of 2011321115 in words is "two billion, eleven million, three hundred twenty-one thousand, one hundred fifteen".