2120010311 has 4 divisors (see below), whose sum is σ = 2124064392. Its totient is φ = 2115956232.

The previous prime is 2120010283. The next prime is 2120010317. The reversal of 2120010311 is 1130100212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120010311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120010292 and 2120010301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120010317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026256 + ... + 2027301.

It is an arithmetic number, because the mean of its divisors is an integer number (531016098).

Almost surely, 2^2120010311 is an apocalyptic number.

2120010311 is a deficient number, since it is larger than the sum of its proper divisors (4054081).

2120010311 is an equidigital number, since it uses as much as digits as its factorization.

2120010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054080.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2120010311 is about 46043.5697030541. The cubic root of 2120010311 is about 1284.6337403879.

Adding to 2120010311 its reverse (1130100212), we get a palindrome (3250110523).

The spelling of 2120010311 in words is "two billion, one hundred twenty million, ten thousand, three hundred eleven".