221223112203 has 8 divisors (see below), whose sum is σ = 294971475600. Its totient is φ = 147478411808.

The previous prime is 221223112189. The next prime is 221223112219. The reversal of 221223112203 is 302211322122.

221223112203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221223112203 - 2¹² = 221223108107 is a prime.

It is a super-2 number, since 2×221223112203² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221223112203.

It is not an unprimeable number, because it can be changed into a prime (221223112273) 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, 771588 + ... + 1018721.

It is an arithmetic number, because the mean of its divisors is an integer number (36871434450).

Almost surely, 2^221223112203 is an apocalyptic number.

221223112203 is a deficient number, since it is larger than the sum of its proper divisors (73748363397).

221223112203 is a wasteful number, since it uses less digits than its factorization.

221223112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831501.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221223112203 its reverse (302211322122), we get a palindrome (523434434325).

The spelling of 221223112203 in words is "two hundred twenty-one billion, two hundred twenty-three million, one hundred twelve thousand, two hundred three".