2120211343 has 16 divisors (see below), whose sum is σ = 2196697696. Its totient is φ = 2045399040.

The previous prime is 2120211337. The next prime is 2120211347. The reversal of 2120211343 is 3431120212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120211343 - 2⁹ = 2120210831 is a prime.

It is a super-2 number, since 2×2120211343² = 8990592277971727298, which contains 22 as substring.

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 2120211343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858196 + ... + 860662.

It is an arithmetic number, because the mean of its divisors is an integer number (137293606).

Almost surely, 2^2120211343 is an apocalyptic number.

2120211343 is a deficient number, since it is larger than the sum of its proper divisors (76486353).

2120211343 is a wasteful number, since it uses less digits than its factorization.

2120211343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120211343 is about 46045.7527140126. The cubic root of 2120211343 is about 1284.6743446444.

Adding to 2120211343 its reverse (3431120212), we get a palindrome (5551331555).

The spelling of 2120211343 in words is "two billion, one hundred twenty million, two hundred eleven thousand, three hundred forty-three".