2221100003 has 8 divisors (see below), whose sum is σ = 2248897728. Its totient is φ = 2193327144.

The previous prime is 2221099999. The next prime is 2221100023. The reversal of 2221100003 is 3000011222.

It is a happy number.

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 2221100003 - 2² = 2221099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221100023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227876 + ... + 237422.

It is an arithmetic number, because the mean of its divisors is an integer number (281112216).

Almost surely, 2^2221100003 is an apocalyptic number.

2221100003 is a deficient number, since it is larger than the sum of its proper divisors (27797725).

2221100003 is an equidigital number, since it uses as much as digits as its factorization.

2221100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433.

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

The square root of 2221100003 is about 47128.5476436522. The cubic root of 2221100003 is about 1304.7361764161.

Adding to 2221100003 its reverse (3000011222), we get a palindrome (5221111225).

The spelling of 2221100003 in words is "two billion, two hundred twenty-one million, one hundred thousand, three".