2120211311 has 32 divisors (see below), whose sum is σ = 2359627200. Its totient is φ = 1897758720.

The previous prime is 2120211283. The next prime is 2120211329. The reversal of 2120211311 is 1131120212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120211311 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 (2120211011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3674255 + ... + 3674831.

It is an arithmetic number, because the mean of its divisors is an integer number (73738350).

Almost surely, 2^2120211311 is an apocalyptic number.

2120211311 is a deficient number, since it is larger than the sum of its proper divisors (239415889).

2120211311 is a wasteful number, since it uses less digits than its factorization.

2120211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2120211311 is about 46045.7523665321. The cubic root of 2120211311 is about 1284.6743381813.

Adding to 2120211311 its reverse (1131120212), we get a palindrome (3251331523).

The spelling of 2120211311 in words is "two billion, one hundred twenty million, two hundred eleven thousand, three hundred eleven".