2120214311 has 4 divisors (see below), whose sum is σ = 2120742000. Its totient is φ = 2119686624.

The previous prime is 2120214301. The next prime is 2120214323. The reversal of 2120214311 is 1134120212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120214311 - 2¹⁸ = 2119952167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120214311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120214301) 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, 257771 + ... + 265868.

It is an arithmetic number, because the mean of its divisors is an integer number (530185500).

Almost surely, 2^2120214311 is an apocalyptic number.

2120214311 is a deficient number, since it is larger than the sum of its proper divisors (527689).

2120214311 is an equidigital number, since it uses as much as digits as its factorization.

2120214311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527688.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2120214311 is about 46045.7849428153. The cubic root of 2120214311 is about 1284.6749440991.

Adding to 2120214311 its reverse (1134120212), we get a palindrome (3254334523).

The spelling of 2120214311 in words is "two billion, one hundred twenty million, two hundred fourteen thousand, three hundred eleven".