221100112220003 has 4 divisors (see below), whose sum is σ = 221172343556688. Its totient is φ = 221027880883320.

The previous prime is 221100112219949. The next prime is 221100112220011. The reversal of 221100112220003 is 300022211001122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221100112220003 - 2³² = 221095817252707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221100112220083) 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 3 ways as a sum of consecutive naturals, for example, 36115663751 + ... + 36115669872.

It is an arithmetic number, because the mean of its divisors is an integer number (55293085889172).

Almost surely, 2^{221100112220003} is an apocalyptic number.

221100112220003 is a deficient number, since it is larger than the sum of its proper divisors (72231336685).

221100112220003 is an equidigital number, since it uses as much as digits as its factorization.

221100112220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72231336684.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221100112220003 its reverse (300022211001122), we get a palindrome (521122323221125).

The spelling of 221100112220003 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twelve million, two hundred twenty thousand, three".