2120302111 has 8 divisors (see below), whose sum is σ = 2157611904. Its totient is φ = 2083074720.

The previous prime is 2120302109. The next prime is 2120302139. The reversal of 2120302111 is 1112030212.

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 2120302111 - 2¹ = 2120302109 is a prime.

It is a super-2 number, since 2×2120302111² = 8991362083822112642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120302091 and 2120302100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120302711) 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, 32505 + ... + 72781.

It is an arithmetic number, because the mean of its divisors is an integer number (269701488).

Almost surely, 2^2120302111 is an apocalyptic number.

2120302111 is a deficient number, since it is larger than the sum of its proper divisors (37309793).

2120302111 is an equidigital number, since it uses as much as digits as its factorization.

2120302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2120302111 is about 46046.7383318298. The cubic root of 2120302111 is about 1284.6926770396.

Adding to 2120302111 its reverse (1112030212), we get a palindrome (3232332323).

It can be divided in two parts, 212030211 and 1, that added together give a palindrome (212030212).

The spelling of 2120302111 in words is "two billion, one hundred twenty million, three hundred two thousand, one hundred eleven".