2210200021 has 8 divisors (see below), whose sum is σ = 2221128000. Its totient is φ = 2199284832.

The previous prime is 2210199961. The next prime is 2210200037. The reversal of 2210200021 is 1200020122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2210200021 - 2¹³ = 2210191829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210199980 and 2210200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697186 + ... + 700348.

It is an arithmetic number, because the mean of its divisors is an integer number (277641000).

Almost surely, 2^2210200021 is an apocalyptic number.

It is an amenable number.

2210200021 is a deficient number, since it is larger than the sum of its proper divisors (10927979).

2210200021 is a wasteful number, since it uses less digits than its factorization.

2210200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2210200021 is about 47012.7644475413. The cubic root of 2210200021 is about 1302.5983575455.

Adding to 2210200021 its reverse (1200020122), we get a palindrome (3410220143).

The spelling of 2210200021 in words is "two billion, two hundred ten million, two hundred thousand, twenty-one".