2100221343 has 48 divisors (see below), whose sum is σ = 3414528000. Its totient is φ = 1232763840.

The previous prime is 2100221341. The next prime is 2100221369. The reversal of 2100221343 is 3431220012.

2100221343 is a `hidden beast` number, since 2 + 100 + 221 + 343 = 666.

It is not a de Polignac number, because 2100221343 - 2¹ = 2100221341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100221341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874258 + ... + 876656.

It is an arithmetic number, because the mean of its divisors is an integer number (71136000).

Almost surely, 2^2100221343 is an apocalyptic number.

2100221343 is a deficient number, since it is larger than the sum of its proper divisors (1314306657).

2100221343 is a wasteful number, since it uses less digits than its factorization.

2100221343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2100221343 is about 45828.1719360482. The cubic root of 2100221343 is about 1280.6241550313.

Adding to 2100221343 its reverse (3431220012), we get a palindrome (5531441355).

The spelling of 2100221343 in words is "two billion, one hundred million, two hundred twenty-one thousand, three hundred forty-three".