2120331011 has 8 divisors (see below), whose sum is σ = 2232350400. Its totient is φ = 2008353960.

The previous prime is 2120330987. The next prime is 2120331013. The reversal of 2120331011 is 1101330212.

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

It is not a de Polignac number, because 2120331011 - 2¹⁴ = 2120314627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120331013) 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 7 ways as a sum of consecutive naturals, for example, 186200 + ... + 197258.

It is an arithmetic number, because the mean of its divisors is an integer number (279043800).

Almost surely, 2^2120331011 is an apocalyptic number.

2120331011 is a deficient number, since it is larger than the sum of its proper divisors (112019389).

2120331011 is a wasteful number, since it uses less digits than its factorization.

2120331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21169.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2120331011 is about 46047.0521423467. The cubic root of 2120331011 is about 1284.6985138572.

Adding to 2120331011 its reverse (1101330212), we get a palindrome (3221661223).

The spelling of 2120331011 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, eleven".