2223121003 has 8 divisors (see below), whose sum is σ = 2262078000. Its totient is φ = 2184206688.

The previous prime is 2223121001. The next prime is 2223121013. The reversal of 2223121003 is 3001213222.

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 2223121003 - 2¹ = 2223121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105325 + ... + 124657.

It is an arithmetic number, because the mean of its divisors is an integer number (282759750).

Almost surely, 2^2223121003 is an apocalyptic number.

2223121003 is a deficient number, since it is larger than the sum of its proper divisors (38956997).

2223121003 is a wasteful number, since it uses less digits than its factorization.

2223121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21341.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2223121003 is about 47149.9841251299. The cubic root of 2223121003 is about 1305.1317870657.

Adding to 2223121003 its reverse (3001213222), we get a palindrome (5224334225).

It can be divided in two parts, 22231 and 21003, that added together give a palindrome (43234).

The spelling of 2223121003 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, three".