2120111303 has 8 divisors (see below), whose sum is σ = 2156670000. Its totient is φ = 2083610880.

The previous prime is 2120111291. The next prime is 2120111309. The reversal of 2120111303 is 3031110212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120111303 - 2⁸ = 2120111047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120111309) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62276 + ... + 90102.

It is an arithmetic number, because the mean of its divisors is an integer number (269583750).

Almost surely, 2^2120111303 is an apocalyptic number.

2120111303 is a deficient number, since it is larger than the sum of its proper divisors (36558697).

2120111303 is a wasteful number, since it uses less digits than its factorization.

2120111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29137.

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

The square root of 2120111303 is about 46044.6663903649. Note that the first 3 decimals coincide. The cubic root of 2120111303 is about 1284.6541389790.

Adding to 2120111303 its reverse (3031110212), we get a palindrome (5151221515).

The spelling of 2120111303 in words is "two billion, one hundred twenty million, one hundred eleven thousand, three hundred three".