2200103021 has 4 divisors (see below), whose sum is σ = 2200830492. Its totient is φ = 2199375552.

The previous prime is 2200102999. The next prime is 2200103023. The reversal of 2200103021 is 1203010022.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2024010121 + 176092900 = 44989^2 + 13270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200103021 - 2¹⁰ = 2200101997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200102993 and 2200103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200103023) 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, 359180 + ... + 365253.

It is an arithmetic number, because the mean of its divisors is an integer number (550207623).

Almost surely, 2^2200103021 is an apocalyptic number.

It is an amenable number.

2200103021 is a deficient number, since it is larger than the sum of its proper divisors (727471).

2200103021 is an equidigital number, since it uses as much as digits as its factorization.

2200103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727470.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2200103021 is about 46905.2557929279. The cubic root of 2200103021 is about 1300.6117477817.

Adding to 2200103021 its reverse (1203010022), we get a palindrome (3403113043).

The spelling of 2200103021 in words is "two billion, two hundred million, one hundred three thousand, twenty-one".