221211022003 has 8 divisors (see below), whose sum is σ = 236412441072. Its totient is φ = 206252825856.

The previous prime is 221211021947. The next prime is 221211022013. The reversal of 221211022003 is 300220112122.

It is a happy number.

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

It is not a de Polignac number, because 221211022003 - 2²¹ = 221208924851 is a prime.

It is a super-2 number, since 2×221211022003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221211022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60803850 + ... + 60807487.

It is an arithmetic number, because the mean of its divisors is an integer number (29551555134).

Almost surely, 2^221211022003 is an apocalyptic number.

221211022003 is a deficient number, since it is larger than the sum of its proper divisors (15201419069).

221211022003 is a wasteful number, since it uses less digits than its factorization.

221211022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121611461.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221211022003 its reverse (300220112122), we get a palindrome (521431134125).

The spelling of 221211022003 in words is "two hundred twenty-one billion, two hundred eleven million, twenty-two thousand, three".