221100101203 has 8 divisors (see below), whose sum is σ = 227432224656. Its totient is φ = 214855317600.

The previous prime is 221100101197. The next prime is 221100101221. The reversal of 221100101203 is 302101001122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221100101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221100191203) 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 7 ways as a sum of consecutive naturals, for example, 21829828 + ... + 21839953.

It is an arithmetic number, because the mean of its divisors is an integer number (28429028082).

Almost surely, 2^221100101203 is an apocalyptic number.

221100101203 is a deficient number, since it is larger than the sum of its proper divisors (6332123453).

221100101203 is an equidigital number, since it uses as much as digits as its factorization.

221100101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43669925.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221100101203 its reverse (302101001122), we get a palindrome (523201102325).

The spelling of 221100101203 in words is "two hundred twenty-one billion, one hundred million, one hundred one thousand, two hundred three".