2321011011 has 32 divisors (see below), whose sum is σ = 3479731200. Its totient is φ = 1364014080.

The previous prime is 2321011009. The next prime is 2321011039. The reversal of 2321011011 is 1101101232.

It is not a de Polignac number, because 2321011011 - 2¹ = 2321011009 is a prime.

It is a super-2 number, since 2×2321011011² = 10774184226366484242, which contains 22 as substring.

2321011011 is a modest number, since divided by 11011 gives 2321 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2321011051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162195 + ... + 175923.

It is an arithmetic number, because the mean of its divisors is an integer number (108741600).

Almost surely, 2^2321011011 is an apocalyptic number.

2321011011 is a deficient number, since it is larger than the sum of its proper divisors (1158720189).

2321011011 is a wasteful number, since it uses less digits than its factorization.

2321011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2321011011 is about 48176.8721587444. The cubic root of 2321011011 is about 1324.0134602110.

Adding to 2321011011 its reverse (1101101232), we get a palindrome (3422112243).

The spelling of 2321011011 in words is "two billion, three hundred twenty-one million, eleven thousand, eleven".