2120303311 has 12 divisors (see below), whose sum is σ = 2503901136. Its totient is φ = 1758771360.

The previous prime is 2120303293. The next prime is 2120303329. The reversal of 2120303311 is 1133030212.

It is an interprime number because it is at equal distance from previous prime (2120303293) and next prime (2120303329).

It is not a de Polignac number, because 2120303311 - 2⁵ = 2120303279 is a prime.

It is a super-2 number, since 2×2120303311² = 8991372261275125442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120301311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150870 + ... + 164323.

It is an arithmetic number, because the mean of its divisors is an integer number (208658428).

Almost surely, 2^2120303311 is an apocalyptic number.

2120303311 is a deficient number, since it is larger than the sum of its proper divisors (383597825).

2120303311 is an equidigital number, since it uses as much as digits as its factorization.

2120303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315262 (or 315231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2120303311 is about 46046.7513620668. The cubic root of 2120303311 is about 1284.6929193999.

Adding to 2120303311 its reverse (1133030212), we get a palindrome (3253333523).

The spelling of 2120303311 in words is "two billion, one hundred twenty million, three hundred three thousand, three hundred eleven".