221112120200223 has 32 divisors (see below), whose sum is σ = 337428477315072. Its totient is φ = 126163933920000.

The previous prime is 221112120200207. The next prime is 221112120200239. The reversal of 221112120200223 is 322002021211122.

It is an interprime number because it is at equal distance from previous prime (221112120200207) and next prime (221112120200239).

It is not a de Polignac number, because 221112120200223 - 2⁴ = 221112120200207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 221112120200223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112120202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112466233 + ... + 114415373.

It is an arithmetic number, because the mean of its divisors is an integer number (10544639916096).

Almost surely, 2^{221112120200223} is an apocalyptic number.

221112120200223 is a deficient number, since it is larger than the sum of its proper divisors (116316357114849).

221112120200223 is a wasteful number, since it uses less digits than its factorization.

221112120200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957095.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221112120200223 its reverse (322002021211122), we get a palindrome (543114141411345).

The spelling of 221112120200223 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred twenty million, two hundred thousand, two hundred twenty-three".